# Microsoft 365 vs Slack Comparison
---
## AI Generated Summary
- **G2 reviewers report** that Slack excels in fostering team communication, with users appreciating its organized channels and threads that keep conversations flowing smoothly. One user highlighted how Slack "helps keep everything moving quickly," making it particularly effective for remote teams.
- **Users say** Microsoft 365 shines in its integration capabilities, especially for those who rely on tools like Excel and Word. Reviewers from a law firm noted that the integration makes their jobs easier, allowing for seamless collaboration and document management.
- **According to verified reviews** , Slack's user experience is enhanced by its extensive integrations, which reduce the need to switch between different tools. This feature is particularly valued by users who work in fast-paced environments, as it streamlines workflows and boosts productivity.
- **Reviewers mention** that Microsoft 365's autosave feature significantly boosts productivity, providing peace of mind for users who no longer worry about losing their work. This feature is especially appreciated in environments where document accuracy is critical.
- **G2 reviewers highlight** that while Microsoft 365 has a slightly higher ease of use rating, Slack's user-friendly interface and quick setup process make it a favorite among small businesses. Users find it easy to onboard new team members and get started with minimal training.
- **Users express** that both platforms offer solid support, but Slack edges out slightly with a higher quality of support rating. Reviewers noted that Slack's customer service is responsive and helpful, which is crucial for teams that rely on timely assistance to resolve issues.



| | Microsoft 365 | Slack | 
|---|---|---|
| **Star Rating** | 4.6 out of 5 | 4.5 out of 5 | 
| **Total Reviews** | 5,816 | 39,020 | 
| **Largest Market Segment** | Mid-Market (35.4% of reviews) | Small-Business (41.0% of reviews) | 
| **Entry Level Price** | $6.00 1 User Per Month | $0.00 | 

---
## Top Pros & Cons

### Microsoft 365

Pros:
- Ease of Use (297 reviews)
- Team Collaboration (228 reviews)

Cons:
- Expensive (117 reviews)
- Missing Features (102 reviews)

### Slack

Pros:
- Ease of Use (3619 reviews)
- Team Collaboration (3148 reviews)

Cons:
- Notification Issues (1137 reviews)
- Missing Features (940 reviews)

---
## Ratings Comparison
| Rating | Microsoft 365 | Slack | 
|---|---|---|
  | **Meets Requirements** | 9.3 (4794 reviews) | 9.2 (31600 reviews) | 
  | **Ease of Use** | 9.0 (4852 reviews) | 9.2 (32482 reviews) | 
  | **Ease of Setup** | 8.9 (1402 reviews) | 9.2 (8801 reviews) | 
  | **Ease of Admin** | 8.7 (1045 reviews) | 8.9 (5409 reviews) | 
  | **Quality of Support** | 8.5 (4054 reviews) | 8.8 (21995 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.8 (1019 reviews) | 9.1 (4892 reviews) | 
  | **Product Direction (% positive)** | 8.8 (4721 reviews) | 8.7 (30817 reviews) | 

---
## Pricing

### Microsoft 365

#### Entry-Level Pricing

Plan: Microsoft 365 Business Basic

Price: $6.00 1 User Per Month

Description: Business Basic combines web and mobile versions of the Office apps, business email with Exchange, user management, 1 TB of OneDrive storage, and Teams for up to 300 users.

Key Features:
- Identity, access, and user management for up to 300 employees
- Custom business email (you@yourbusiness.com
- Web and mobile versions of Word, Excel, PowerPoint, and Outlook

[Browse all 3 editions](https://www.g2.com/products/microsoft365/pricing)

#### Free Trial

Yes

### Slack

#### Entry-Level Pricing

Plan: Free

Price: $0.00

Description: For teams wanting to try out Slack for an unlimited period of time



Key Features:
- Searchable message archives, up to 10k of your team’s most recent messages
- 10 apps or service integrations
- Native apps for iOS, Android, Mac & Windows Desktop

[Browse all 4 editions](https://www.g2.com/products/slack/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Cloud Content Collaboration

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 9.1/10 | 255 |
| **Slack** | N/A | N/A |

#### File Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Device Syncing** | 9.2 (182 reviews) | Not enough data | 
| **Web Interface** | 9.2 (177 reviews) | Not enough data | 
| **File Type Support** | 9.3 (176 reviews) | Not enough data | 
| **Search** | 8.9 (171 reviews) | Not enough data | 
| **Mobile Apps** | 8.8 (171 reviews) | Not enough data | 

#### Agentic AI - Cloud Content Collaboration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | 8.5 (70 reviews) | Not enough data | 
| **Cross-system Integration** | 8.6 (70 reviews) | Not enough data | 
| **Natural Language Interaction** | 8.8 (71 reviews) | Not enough data | 

#### Collaboration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **File following** | 9.2 (174 reviews) | Not enough data | 
| **File Sharing** | 9.5 (179 reviews) | Not enough data | 
| **Simultaneously Editing** | 9.1 (179 reviews) | Not enough data | 
| **Change Tracking / Audit Logs** | 8.8 (172 reviews) | Not enough data | 

#### Administration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **User and Role Management** | 9.1 (171 reviews) | Not enough data | 
| **Policies and Controls** | 9.2 (170 reviews) | Not enough data | 
| **Device Management** | 9.0 (166 reviews) | Not enough data | 
| **Storage Limits** | 8.9 (163 reviews) | Not enough data | 
| **Storage Zones** | 8.8 (159 reviews) | Not enough data | 
| **Security** | 9.4 (171 reviews) | Not enough data | 

#### Platform

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Performance and Reliability** | 9.3 (179 reviews) | Not enough data | 
| **Reporting and Auditing** | 8.8 (174 reviews) | Not enough data | 
| **System of Record Integration** | 8.9 (173 reviews) | Not enough data | 
| **APIs** | 8.7 (174 reviews) | Not enough data | 

### Team Collaboration

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | N/A | N/A |

#### Communication

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Status Updates** | Not enough data | Not enough data | 
| **Instant Messaging** | Not enough data | Not enough data | 
| **Activity Feed** | Not enough data | Not enough data | 
| **Notifications** | Not enough data | Not enough data | 
| **Comments and Voting** | Not enough data | Not enough data | 
| **Discussions** | Not enough data | Not enough data | 
| **User Directory** | Not enough data | Not enough data | 
| **Online Status of Coworkers** | Not enough data | Not enough data | 

#### Content Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **File Sharing** | Not enough data | Not enough data | 
| **Document Collaboration** | Not enough data | Not enough data | 
| **Version Control** | Not enough data | Not enough data | 
| **Tagging** | Not enough data | Not enough data | 
| **Knowledge Base** | Not enough data | Not enough data | 
| **Surveys** | Not enough data | Not enough data | 

#### Productivity Tools

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Task Management** | Not enough data | Not enough data | 
| **Calendar** | Not enough data | Not enough data | 
| **Search** | Not enough data | Not enough data | 
| **Mobile** | Not enough data | Not enough data | 
| **Multi-Language Support** | Not enough data | Not enough data | 

#### Administration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Moderation** | Not enough data | Not enough data | 
| **User, Role, and Access Management** | Not enough data | Not enough data | 
| **Performance and Reliability** | Not enough data | Not enough data | 

### Business Instant Messaging

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.8/10 | 216 |
| **Slack** | 8.2/10 | 16014 |

#### Business Instant Messaging

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **File Sharing** | 9.4 (176 reviews) | 9.1 (13971 reviews) | 
| **Notifications** | 9.2 (175 reviews) | 9.0 (14508 reviews) | 
| **Search** | 8.8 (171 reviews) | 8.6 (13800 reviews) | 

#### Business Instant Messaging 

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Audio Conferencing** | 9.1 (174 reviews) | 8.5 (10244 reviews) | 
| **Video Conferencing** | 9.2 (175 reviews) | 8.1 (9578 reviews) | 

#### Business Instant Messaging

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Mobile Application** | 9.0 (172 reviews) | 9.1 (13681 reviews) | 
| **Web Application** | 9.2 (176 reviews) | 9.2 (13286 reviews) | 
| **Integrations** | 8.9 (169 reviews) | 9.0 (11841 reviews) | 

#### Generative AI - Business Instant Messaging

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Text Summarization** | 8.6 (124 reviews) | 7.5 (1486 reviews) | 

#### AI - Business Instant Messaging

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **AI Powered Search** | 8.5 (124 reviews) | 7.5 (1470 reviews) | 
| **Smart Notifications** | 8.6 (125 reviews) | 7.9 (1478 reviews) | 
| **AI Powered Language Translation** | 8.5 (125 reviews) | 7.4 (1450 reviews) | 
| **Content Generation** | 8.6 (127 reviews) | 7.4 (1452 reviews) | 

#### Agentic AI - Business Instant Messaging

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Cross-system Integration** | 8.5 (78 reviews) | 7.7 (879 reviews) | 
| **Natural Language Interaction** | 8.4 (78 reviews) | 7.7 (863 reviews) | 

### Workflow Management

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | 8.4/10 | 904 |

#### Setup

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Activities** | Not enough data | 9.1 (677 reviews) | 
| **Flows** | Not enough data | 8.9 (673 reviews) | 
| **Dependencies** | Not enough data | 8.7 (648 reviews) | 
| **Notifications** | Not enough data | 8.9 (687 reviews) | 

#### Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Updates** | Not enough data | 9.0 (662 reviews) | 
| **Audit Trail** | Not enough data | 8.7 (640 reviews) | 
| **Integration** | Not enough data | 8.9 (660 reviews) | 

#### Generative AI

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **AI Text Generation** | Not enough data | 7.7 (557 reviews) | 

#### Agentic AI - Workflow Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | 7.7 (277 reviews) | 
| **Multi-step Planning** | Not enough data | 7.9 (273 reviews) | 
| **Cross-system Integration** | Not enough data | 8.1 (282 reviews) | 
| **Adaptive Learning** | Not enough data | 7.9 (279 reviews) | 
| **Natural Language Interaction** | Not enough data | 7.9 (278 reviews) | 
| **Proactive Assistance** | Not enough data | 7.9 (279 reviews) | 
| **Decision Making** | Not enough data | 8.0 (281 reviews) | 

### Screen Sharing

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.7/10 | 163 |
| **Slack** | N/A | N/A |

#### Presenter Tools

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Live Preview** | 8.9 (124 reviews) | Not enough data | 
| **Notifications Blocker** | 8.5 (125 reviews) | Not enough data | 
| **Remote Control** | 8.2 (122 reviews) | Not enough data | 
| **Switch Presenter** | 8.6 (122 reviews) | Not enough data | 

#### Conferencing Options

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Group Live Chat** | 9.0 (129 reviews) | Not enough data | 
| **Audio Conferencing** | 9.0 (130 reviews) | Not enough data | 
| **Video Conferencing** | 9.0 (134 reviews) | Not enough data | 

#### Application Tools

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Password Protection** | 8.8 (122 reviews) | Not enough data | 
| **Recording** | 8.6 (123 reviews) | Not enough data | 
| **In-Browser Application** | 8.8 (124 reviews) | Not enough data | 

#### Agentic AI - Screen Sharing

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Decision Making** | 8.2 (38 reviews) | Not enough data | 

### Presentation

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.4/10 | 237 |
| **Slack** | N/A | N/A |

#### Platform Basics

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Slide Design** | 8.7 (166 reviews) | Not enough data | 
| **Presenter Tools** | 8.8 (164 reviews) | Not enough data | 
| **Auto Save** | 9.1 (167 reviews) | Not enough data | 

#### Platform Content

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Charts** | 8.8 (166 reviews) | Not enough data | 
| **Template Library** | 8.3 (162 reviews) | Not enough data | 
| **Template Creator** | 8.5 (154 reviews) | Not enough data | 
| **File Sharing** | 9.1 (166 reviews) | Not enough data | 

#### Platform Additional Functionality

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Messaging** | 8.9 (160 reviews) | Not enough data | 
| **Mobility** | 8.9 (160 reviews) | Not enough data | 
| **Cloud** | 9.1 (171 reviews) | Not enough data | 

#### Generative AI

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **AI Text Generation** | 8.2 (108 reviews) | Not enough data | 
| **AI Image-to-Text** | 7.9 (104 reviews) | Not enough data | 
| **AI Text-to-Video** | 7.3 (103 reviews) | Not enough data | 
| **AI Text Summarization** | 8.0 (105 reviews) | Not enough data | 
| **AI Text-to-Music** | 7.2 (102 reviews) | Not enough data | 
| **AI Text-to-Speech** | 7.9 (103 reviews) | Not enough data | 
| **AI Text-to-Image** | 7.5 (101 reviews) | Not enough data | 

### Email Client

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.8/10 | 279 |
| **Slack** | N/A | N/A |

#### Inbox Tools

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Unified Inbox** | 8.9 (208 reviews) | Not enough data | 
| **Filters** | 9.0 (206 reviews) | Not enough data | 
| **Reminders** | 9.0 (208 reviews) | Not enough data | 
| **Notifications** | 9.0 (208 reviews) | Not enough data | 

#### Coordination Tools

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Calendar** | 9.2 (218 reviews) | Not enough data | 
| **Contacts** | 8.9 (207 reviews) | Not enough data | 
| **Task Management** | 8.7 (204 reviews) | Not enough data | 

#### Software Options

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Desktop Application** | 9.3 (216 reviews) | Not enough data | 
| **Mobile Application** | 8.8 (211 reviews) | Not enough data | 

#### Email Client - Agentic AI

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | 8.2 (72 reviews) | Not enough data | 
| **Cross-system Integration** | 8.0 (73 reviews) | Not enough data | 

### Q&A Platforms

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | 8.8/10 | 410 |

#### Account Options

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Single Sign-On (SSO)** | Not enough data | 9.2 (286 reviews) | 
| **Social Login** | Not enough data | 8.4 (278 reviews) | 
| **Reputation System** | Not enough data | 8.6 (269 reviews) | 
| **Topic Subscription** | Not enough data | 8.7 (275 reviews) | 
| **Bookmarking** | Not enough data | 8.9 (285 reviews) | 
| **History** | Not enough data | 8.9 (279 reviews) | 

#### Q&A Tools

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Tags** | Not enough data | 9.1 (284 reviews) | 
| **Commenting System** | Not enough data | 9.1 (279 reviews) | 
| **Notifications** | Not enough data | 9.1 (285 reviews) | 
| **Voting** | Not enough data | 8.7 (271 reviews) | 
| **Integrations** | Not enough data | 9.1 (281 reviews) | 
| **Knowledge Integrations** | Not enough data | 8.9 (273 reviews) | 
| **Embedding** | Not enough data | 8.6 (266 reviews) | 
| **Formatting** | Not enough data | 8.9 (270 reviews) | 
| **Analytics** | Not enough data | 8.5 (266 reviews) | 

### Spreadsheets

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.9/10 | 251 |
| **Slack** | N/A | N/A |

#### Calculating

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Functions** | 9.2 (184 reviews) | Not enough data | 
| **Auto Recalculation** | 9.1 (182 reviews) | Not enough data | 

#### Insights

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Charts and Graphs** | 8.7 (182 reviews) | Not enough data | 
| **Tables** | 9.1 (180 reviews) | Not enough data | 

#### Editing

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Templates** | 8.8 (180 reviews) | Not enough data | 
| **Collaborative Editing** | 8.8 (183 reviews) | Not enough data | 
| **Filtering** | 8.9 (176 reviews) | Not enough data | 

#### Functionality

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Addons** | 8.5 (177 reviews) | Not enough data | 
| **Multi Device Functionality** | 8.9 (183 reviews) | Not enough data | 
| **Importing and Exporting** | 9.0 (176 reviews) | Not enough data | 
| **Autosave** | 9.1 (180 reviews) | Not enough data | 

### Knowledge Base

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | 8.3/10 | 495 |

#### Knowledge Pages

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Templates** | Not enough data | 8.4 (342 reviews) | 
| **In-Content Feedback** | Not enough data | 8.3 (343 reviews) | 
| **Versioning and Version History** | Not enough data | 8.1 (332 reviews) | 
| **Decision Trees** | Not enough data | 8.1 (330 reviews) | 
| **Duplicate Detection** | Not enough data | 7.9 (325 reviews) | 
| **Content Editor** | Not enough data | 8.4 (330 reviews) | 

#### Knowledge Dissemination

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Page Analytics** | Not enough data | 8.2 (321 reviews) | 
| **Permissions** | Not enough data | 8.7 (329 reviews) | 
| **Knowledge Sharing** | Not enough data | 9.0 (337 reviews) | 
| **Notifications** | Not enough data | 8.9 (336 reviews) | 
| **Advanced Search** | Not enough data | 8.3 (330 reviews) | 
| **Browser Extension** | Not enough data | 8.2 (318 reviews) | 
| **Organization** | Not enough data | 8.7 (334 reviews) | 
| **Other Integrations** | Not enough data | 8.6 (322 reviews) | 
| **Knowledge Integrations** | Not enough data | 8.6 (315 reviews) | 

#### Agentic AI - Knowledge Base

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Adaptive Learning** | Not enough data | 7.9 (197 reviews) | 
| **Natural Language Interaction** | Not enough data | 7.9 (199 reviews) | 
| **Proactive Assistance** | Not enough data | 7.8 (197 reviews) | 

### Office Suites

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.8/10 | 1600 |
| **Slack** | N/A | N/A |

#### Applications

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Basic applications** | 9.3 (1346 reviews) | Not enough data | 
| **Suite access** | 9.0 (1253 reviews) | Not enough data | 
| **Templates** | 8.8 (1201 reviews) | Not enough data | 

#### Collaboration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Cloud collaboration** | 9.0 (1237 reviews) | Not enough data | 
| **Annotations** | 8.8 (1094 reviews) | Not enough data | 
| **Simultaneously editing** | 8.7 (1180 reviews) | Not enough data | 

#### Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Web Interface** | 8.8 (1197 reviews) | Not enough data | 
| **File Type Support** | 9.2 (1230 reviews) | Not enough data | 
| **Auto save** | 9.2 (1264 reviews) | Not enough data | 

#### Agentic AI - Office Suites

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | 8.1 (127 reviews) | Not enough data | 
| **Natural Language Interaction** | 8.1 (136 reviews) | Not enough data | 

### Unified Workspaces

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | 8.3/10 | 1020 |

#### Login Options 

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Single Sign-On (SSO)** | Not enough data | 9.1 (774 reviews) | 
| **Password Saver** | Not enough data | 8.5 (737 reviews) | 

#### Productivity

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Email Client** | Not enough data | 8.0 (726 reviews) | 
| **Split Screen** | Not enough data | 8.3 (730 reviews) | 
| **Activity Feed** | Not enough data | 8.6 (739 reviews) | 
| **Virtual Assistant** | Not enough data | 7.8 (711 reviews) | 
| **Analytics and Reporting** | Not enough data | 7.9 (705 reviews) | 

#### Customization 

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Custom Workflows** | Not enough data | 8.6 (735 reviews) | 
| **Multiple Workspaces** | Not enough data | 9.0 (752 reviews) | 
| **Custom Application Integration** | Not enough data | 8.7 (718 reviews) | 

#### Agentic AI - Unified Workspaces

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | 7.5 (403 reviews) | 
| **Adaptive Learning** | Not enough data | 7.6 (400 reviews) | 

### Enterprise Search Software

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | 9.0/10 | 141 |

#### Compatibility

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Federated Search** | Not enough data | 8.9 (95 reviews) | 
| **File Types** | Not enough data | 9.0 (97 reviews) | 
| **Global Language Support** | Not enough data | 8.9 (88 reviews) | 

#### Agentic AI - Enterprise Search Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | 8.4 (57 reviews) | 
| **Multi-step Planning** | Not enough data | 8.3 (54 reviews) | 
| **Cross-system Integration** | Not enough data | 8.9 (55 reviews) | 
| **Adaptive Learning** | Not enough data | 8.5 (55 reviews) | 
| **Proactive Assistance** | Not enough data | 8.5 (55 reviews) | 
| **Decision Making** | Not enough data | 8.6 (54 reviews) | 

#### Search Queries

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Typo Tolerance** | Not enough data | 8.8 (92 reviews) | 
| **Faceted Search** | Not enough data | 9.1 (93 reviews) | 
| **Synonyms** | Not enough data | 8.7 (88 reviews) | 
| **Highlighting** | Not enough data | 9.1 (90 reviews) | 
| **Natural Language** | Not enough data | 8.9 (88 reviews) | 

#### AI powered search - Enterprise Search Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Generative RAG (Retrieval augmented generation)** | Not enough data | 9.0 (21 reviews) | 
| **Relevance Tuning** | Not enough data | 9.1 (21 reviews) | 
| **NLP & Semantic search** | Not enough data | 9.0 (21 reviews) | 

#### Functionality

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Personalization** | Not enough data | 8.8 (87 reviews) | 
| **Search Analytics** | Not enough data | 8.9 (88 reviews) | 
| **Integrations** | Not enough data | 9.1 (94 reviews) | 

#### Compatibility - Enterprise Search Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **File Types** | Not enough data | 9.3 (23 reviews) | 
| **Federated Search** | Not enough data | 9.2 (21 reviews) | 
| **Global Language Support** | Not enough data | 9.2 (22 reviews) | 

#### Functionality - Enterprise Search Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Personalization** | Not enough data | 9.2 (23 reviews) | 
| **Search Analytics** | Not enough data | 9.0 (21 reviews) | 
| **Integrations** | Not enough data | 9.4 (24 reviews) | 

#### Search Queries - Enterprise Search Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Highlighting** | Not enough data | 9.4 (21 reviews) | 
| **Faceted Search** | Not enough data | 9.1 (20 reviews) | 
| **Typo Tolerance** | Not enough data | 9.0 (22 reviews) | 
| **Synonyms** | Not enough data | 9.3 (22 reviews) | 

### Work Management

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | 8.5/10 | 2603 |

#### Automation

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Workflows** | Not enough data | 8.8 (1250 reviews) | 
| **Customization** | Not enough data | 8.8 (1201 reviews) | 
| **Data repository** | Not enough data | 8.5 (1176 reviews) | 

#### Administration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Permissions** | Not enough data | 8.8 (1194 reviews) | 
| **Procedures** | Not enough data | 8.6 (1133 reviews) | 
| **Remote Work** | Not enough data | 9.4 (1355 reviews) | 

#### Project management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Task Prioritization** | Not enough data | 8.7 (1168 reviews) | 
| **Dependencies** | Not enough data | 8.5 (1116 reviews) | 
| **Planning** | Not enough data | 8.6 (1138 reviews) | 
| **Views** | Not enough data | 8.5 (1128 reviews) | 
| **Scheduling** | Not enough data | 8.6 (1137 reviews) | 
| **Critical Path** | Not enough data | 8.3 (1094 reviews) | 
| **Dashboards** | Not enough data | 8.3 (1121 reviews) | 

#### Workload

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Resource Allocation** | Not enough data | 8.4 (1078 reviews) | 
| **Workspace** | Not enough data | 8.8 (1171 reviews) | 
| **Configuration** | Not enough data | 8.6 (1092 reviews) | 
| **Insights** | Not enough data | 8.5 (1088 reviews) | 

#### Communication & Collaboration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Communication Channels** | Not enough data | 9.4 (1785 reviews) | 
| **Document Management** | Not enough data | 9.0 (1331 reviews) | 
| **Collaboration** | Not enough data | 9.4 (1513 reviews) | 

#### Cost Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Project Budgeting** | Not enough data | 8.0 (1069 reviews) | 
| **Time & Expense** | Not enough data | 8.2 (1070 reviews) | 
| **Profitability** | Not enough data | 8.1 (1064 reviews) | 

#### Integration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Front Office** | Not enough data | 8.7 (1269 reviews) | 
| **Back Office** | Not enough data | 8.4 (1082 reviews) | 
| **External data** | Not enough data | 8.4 (1091 reviews) | 

#### Generative AI

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **AI Text Generation** | Not enough data | 7.5 (1026 reviews) | 
| **AI Text Summarization** | Not enough data | 7.7 (1046 reviews) | 

#### Agentic AI - Work Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | 7.7 (519 reviews) | 
| **Multi-step Planning** | Not enough data | 7.8 (511 reviews) | 
| **Cross-system Integration** | Not enough data | 8.2 (545 reviews) | 
| **Natural Language Interaction** | Not enough data | 7.8 (516 reviews) | 

### Project Collaboration

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | 8.5/10 | 1645 |

#### Communication

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Chat** | Not enough data | 9.4 (1190 reviews) | 
| **Discussions** | Not enough data | 9.4 (1155 reviews) | 
| **External** | Not enough data | 8.8 (1057 reviews) | 
| **Feedback** | Not enough data | 8.9 (1038 reviews) | 
| **Announcements** | Not enough data | 9.1 (1055 reviews) | 

#### Content & Documents

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **File Sharing** | Not enough data | 9.2 (1112 reviews) | 
| **Notes** | Not enough data | 8.9 (1045 reviews) | 
| **Search** | Not enough data | 8.7 (1069 reviews) | 
| **Versioning** | Not enough data | 8.1 (1004 reviews) | 

#### Controls

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Custom Views** | Not enough data | 8.3 (989 reviews) | 
| **Followers** | Not enough data | 8.1 (984 reviews) | 
| **User Management** | Not enough data | 8.7 (999 reviews) | 
| **Calendars** | Not enough data | 8.4 (1005 reviews) | 
| **Public Sharing** | Not enough data | 8.2 (974 reviews) | 

#### Project Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Task Management** | Not enough data | 8.4 (1003 reviews) | 
| **Planning** | Not enough data | 8.3 (976 reviews) | 
| **Visibility** | Not enough data | 8.5 (986 reviews) | 
| **Integration** | Not enough data | 8.7 (995 reviews) | 

#### Remote Collaboration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Alignment** | Not enough data | 9.0 (996 reviews) | 
| **Accountability** | Not enough data | 8.7 (970 reviews) | 
| **Connectivity** | Not enough data | 9.0 (989 reviews) | 
| **Offline Mode** | Not enough data | 7.8 (955 reviews) | 

#### Generative AI

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **AI Text Generation** | Not enough data | 7.3 (926 reviews) | 
| **AI Text Summarization** | Not enough data | 7.4 (928 reviews) | 

#### Agentic AI - Project Collaboration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Multi-step Planning** | Not enough data | 7.5 (436 reviews) | 
| **Cross-system Integration** | Not enough data | 7.7 (440 reviews) | 

### Video Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.9/10 | 236 |
| **Slack** | N/A | N/A |

#### Collaboration Tools

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Screen Sharing** | 9.0 (186 reviews) | Not enough data | 
| **Presentations** | 9.1 (185 reviews) | Not enough data | 
| **Whiteboarding** | 8.6 (180 reviews) | Not enough data | 
| **Live Chat** | 9.1 (183 reviews) | Not enough data | 
| **Hand Raising** | 9.1 (181 reviews) | Not enough data | 

#### Meeting Coordination

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Scheduling** | 9.2 (189 reviews) | Not enough data | 
| **Recording** | 9.0 (182 reviews) | Not enough data | 
| **Participant Permissions** | 9.0 (182 reviews) | Not enough data | 
| **One-Click Join** | 9.0 (177 reviews) | Not enough data | 

#### Software Type

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Mobile** | 9.0 (187 reviews) | Not enough data | 
| **Browser Application** | 9.1 (183 reviews) | Not enough data | 
| **Desktop Application** | 9.2 (185 reviews) | Not enough data | 

#### Agentic AI - Video Conferencing

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | 8.3 (68 reviews) | Not enough data | 
| **Proactive Assistance** | 8.3 (68 reviews) | Not enough data | 
| **Decision Making** | 8.1 (68 reviews) | Not enough data | 

### Survey

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.9/10 | 61 |
| **Slack** | N/A | N/A |

#### Survey Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Survey Builder** | 8.8 (47 reviews) | Not enough data | 
| **Question Types** | 9.0 (44 reviews) | Not enough data | 
| **Templates** | 8.7 (45 reviews) | Not enough data | 
| **Survey Distribution** | 8.9 (46 reviews) | Not enough data | 

#### Survey Customization

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Branching/Skip Logic** | 8.6 (46 reviews) | Not enough data | 
| **Branding** | 8.8 (47 reviews) | Not enough data | 
| **Multimedia Support** | 8.7 (45 reviews) | Not enough data | 
| **Multilingual Surveys** | 8.8 (44 reviews) | Not enough data | 

#### Survey Insights

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Reporting & Analytics** | 8.9 (45 reviews) | Not enough data | 
| **BI Tools Integration** | 9.0 (43 reviews) | Not enough data | 
| **Data Exporting** | 9.0 (44 reviews) | Not enough data | 
| **Permissions** | 9.0 (47 reviews) | Not enough data | 

#### Agentic AI - Survey

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Adaptive Learning** | 9.2 (13 reviews) | Not enough data | 
| **Proactive Assistance** | 8.7 (13 reviews) | Not enough data | 
| **Decision Making** | 8.8 (13 reviews) | Not enough data | 

### Calendar

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.6/10 | 253 |
| **Slack** | N/A | N/A |

#### Calendar View

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Multi-Calendar View** | 9.0 (200 reviews) | Not enough data | 
| **Customizable Viewing** | 8.9 (203 reviews) | Not enough data | 

#### Shared Calendar

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Calendar Collaboration** | 9.0 (203 reviews) | Not enough data | 
| **Multiple Calendar Management** | 8.9 (200 reviews) | Not enough data | 

#### Accessibility

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Screen Reader Compatibility** | 8.8 (191 reviews) | Not enough data | 
| **Keyboard Shortcuts** | 8.6 (192 reviews) | Not enough data | 

#### Integration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Sync Multiple Calendars** | 8.8 (193 reviews) | Not enough data | 
| **Import Events** | 8.7 (196 reviews) | Not enough data | 
| **Software Integrations** | 8.8 (194 reviews) | Not enough data | 

#### Notifications

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Customized Calendar Notifications** | 9.0 (196 reviews) | Not enough data | 
| **Location-Based Alerts** | 8.6 (193 reviews) | Not enough data | 

#### Generative AI

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **AI Text-to-Image** | 7.8 (134 reviews) | Not enough data | 
| **AI Text-to-Speech** | 8.0 (131 reviews) | Not enough data | 
| **AI Image-to-Text** | 7.8 (130 reviews) | Not enough data | 

#### Agentic AI - Calendar

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Cross-system Integration** | 7.7 (71 reviews) | Not enough data | 

### Online Appointment Scheduling

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.7/10 | 135 |
| **Slack** | N/A | N/A |

#### Notifications

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Confirmations & Reminders** | 9.0 (110 reviews) | Not enough data | 
| **Appointment Follow-Up** | 8.7 (109 reviews) | Not enough data | 
| **Scheduling Notifications** | 8.9 (108 reviews) | Not enough data | 

#### Settings

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Time Zone Detection** | 9.1 (112 reviews) | Not enough data | 
| **Availability Settings** | 9.1 (108 reviews) | Not enough data | 
| **Blocked Time Settings** | 9.0 (108 reviews) | Not enough data | 

#### Personalization

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Branding** | 8.6 (108 reviews) | Not enough data | 
| **Links** | 8.8 (107 reviews) | Not enough data | 

#### Integrations

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Multi- Calendar Integration** | 8.9 (109 reviews) | Not enough data | 
| **Website Integration** | 8.9 (103 reviews) | Not enough data | 
| **Payment Acceptance** | 8.3 (103 reviews) | Not enough data | 
| **Video Conferencing** | 9.0 (106 reviews) | Not enough data | 
| **Communication** | 8.7 (104 reviews) | Not enough data | 

#### Generative AI

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **AI Text Generation** | 8.5 (77 reviews) | Not enough data | 
| **AI Text Summarization** | 8.5 (77 reviews) | Not enough data | 
| **AI Text-to-Image** | 8.1 (77 reviews) | Not enough data | 
| **AI Text-to-Speech** | 8.3 (78 reviews) | Not enough data | 
| **AI Image-to-Text** | 8.2 (78 reviews) | Not enough data | 

#### Agentic AI - Online Appointment Scheduling

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | 8.7 (42 reviews) | Not enough data | 
| **Multi-step Planning** | 8.9 (43 reviews) | Not enough data | 
| **Natural Language Interaction** | 8.8 (43 reviews) | Not enough data | 

### Document Creation

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.7/10 | 306 |
| **Slack** | N/A | N/A |

#### Design

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Graphics** | 8.8 (226 reviews) | Not enough data | 
| **Templates** | 8.8 (229 reviews) | Not enough data | 
| **Themes** | 8.7 (228 reviews) | Not enough data | 

#### Collaboration

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Multi-User Collaboration** | 9.2 (230 reviews) | Not enough data | 
| **Real-Time Communication** | 9.2 (231 reviews) | Not enough data | 

#### File Types

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Export** | 9.4 (236 reviews) | Not enough data | 
| **Import** | 9.1 (232 reviews) | Not enough data | 
| **Web Publishing** | 8.5 (224 reviews) | Not enough data | 

#### Edit & Revise

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Revision History** | 8.9 (232 reviews) | Not enough data | 
| **Suggestion Mode** | 8.8 (227 reviews) | Not enough data | 
| **Document Editor** | 9.2 (234 reviews) | Not enough data | 

#### Integrate & Embed

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Calendar** | 8.8 (228 reviews) | Not enough data | 
| **Website** | 8.5 (226 reviews) | Not enough data | 
| **Applications** | 8.8 (229 reviews) | Not enough data | 

#### Operating System

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **PC Operating System** | 9.4 (232 reviews) | Not enough data | 
| **Mac Operating System** | 8.5 (224 reviews) | Not enough data | 
| **Linux Operating System** | 7.8 (216 reviews) | Not enough data | 

#### Generative AI

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **AI Text Generation** | 8.0 (168 reviews) | Not enough data | 
| **AI Text Summarization** | 8.1 (167 reviews) | Not enough data | 
| **AI Text-to-Image** | 7.7 (164 reviews) | Not enough data | 
| **AI Text-to-Speech** | 7.9 (167 reviews) | Not enough data | 
| **AI Image-to-Text** | 7.8 (162 reviews) | Not enough data | 

#### Agentic AI - Document Creation

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Proactive Assistance** | 8.3 (86 reviews) | Not enough data | 

### Email Management

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | 8.6/10 | 260 |
| **Slack** | N/A | N/A |

#### Sorting & Filtering

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Attachment Search** | 8.9 (210 reviews) | Not enough data | 
| **Tags** | 9.0 (206 reviews) | Not enough data | 
| **AI Sorting** | 8.5 (200 reviews) | Not enough data | 
| **Predefined Rules** | 8.9 (205 reviews) | Not enough data | 

#### Integrations

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Microsoft Outlook Integration** | 9.3 (211 reviews) | Not enough data | 
| **Gmail Integration** | 8.4 (199 reviews) | Not enough data | 
| **Apple Calendar Integration** | 8.1 (195 reviews) | Not enough data | 

#### Time Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Unified Inbox** | 8.8 (199 reviews) | Not enough data | 
| **Email Automation** | 9.0 (206 reviews) | Not enough data | 
| **Snooze** | 8.7 (201 reviews) | Not enough data | 

#### Generative AI

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **AI Text Generation** | 8.3 (149 reviews) | Not enough data | 
| **AI Text-to-Speech** | 8.2 (149 reviews) | Not enough data | 
| **AI Text Summarization** | 8.4 (151 reviews) | Not enough data | 

#### Agentic AI - Email Management

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Autonomous Task Execution** | 8.5 (81 reviews) | Not enough data | 
| **Cross-system Integration** | 8.5 (81 reviews) | Not enough data | 

### Audio Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | 7.6/10 | 349 |

#### Agentic AI - Audio Conferencing

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Proactive Assistance** | Not enough data | 7.5 (277 reviews) | 
| **Decision Making** | Not enough data | 7.7 (278 reviews) | 

### AI Note-Taking Software

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | 9.1/10 | 29 |

#### Action Item Detection - AI Note-taking Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Action Item extraction** | Not enough data | 8.9 (12 reviews) | 
| **Summary Generation** | Not enough data | 9.2 (12 reviews) | 

#### Automatic Transcription - AI Note-taking Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Speech-to-text Transcription** | Not enough data | 9.5 (14 reviews) | 

#### Collaboration & Sharing - AI Note-taking Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Team-based Access** | Not enough data | 9.3 (12 reviews) | 

#### Language & Accent Support - AI Note-taking Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Multi-Language and Accent Support** | Not enough data | 9.2 (13 reviews) | 

#### Multi-Platform Integration - AI Note-taking Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Integrations** | Not enough data | 9.0 (14 reviews) | 

#### Privacy & Security Controls - AI Note-taking Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Access Control** | Not enough data | 8.9 (14 reviews) | 

#### Searchable Note Archives - AI Note-taking Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Semantic Search** | Not enough data | 8.8 (12 reviews) | 

#### Speaker Identification - AI Note-taking Software

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Speaker Recognition** | Not enough data | 9.1 (13 reviews) | 

### Knowledge Management

| Product | Score | Reviews |
|---|---|---|
| **Microsoft 365** | N/A | N/A |
| **Slack** | N/A | N/A |

#### Knowledge Base

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Q & A** | Not enough data | Not enough data | 
| **Link Sharing** | Not enough data | Not enough data | 
| **Searchable** | Not enough data | Not enough data | 

#### Security

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Verification** | Not enough data | Not enough data | 
| **Role-Based Permission** | Not enough data | Not enough data | 
| **Public vs Private** | Not enough data | Not enough data | 

#### Content

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Trackable Analytics** | Not enough data | Not enough data | 
| **Import** | Not enough data | Not enough data | 
| **File Viewing** | Not enough data | Not enough data | 
| **Update Notifications** | Not enough data | Not enough data | 

#### Communication

| Feature | Microsoft 365 | Slack | 
|---|---|---|
| **Social Features** | Not enough data | Not enough data | 
| **Tagging ** | Not enough data | Not enough data | 
| **Upload ** | Not enough data | Not enough data | 
| **Comments** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Business Instant Messaging Software](https://www.g2.com/categories/business-instant-messaging)

**Unique to Microsoft 365 (12):** [Email Management Software](https://www.g2.com/categories/email-management), [Email Client Software](https://www.g2.com/categories/email-client), [Screen Sharing Software](https://www.g2.com/categories/screen-sharing), [Spreadsheets Software](https://www.g2.com/categories/spreadsheets), [Presentation Software](https://www.g2.com/categories/presentation-software), [Online Appointment Scheduling Software](https://www.g2.com/categories/online-appointment-scheduling), [Document Creation Software](https://www.g2.com/categories/document-creation), [Cloud Content Collaboration Software](https://www.g2.com/categories/cloud-content-collaboration), [Office Suites Software](https://www.g2.com/categories/office-suites), [Calendar Software](https://www.g2.com/categories/calendar-software), [Survey Software](https://www.g2.com/categories/survey), [Video Conferencing Software](https://www.g2.com/categories/video-conferencing)

**Unique to Slack (9):** [Knowledge Base Software](https://www.g2.com/categories/knowledge-base-software), [Unified Workspaces Software](https://www.g2.com/categories/unified-workspaces), [Work Management Software](https://www.g2.com/categories/work-management), [Enterprise Search Software](https://www.g2.com/categories/enterprise-search-software), [Q&A Platforms ](https://www.g2.com/categories/q-a-platforms), [AI Note-Taking Software](https://www.g2.com/categories/ai-note-taking-software), [Project Collaboration Software](https://www.g2.com/categories/project-collaboration), [Workflow Management Software](https://www.g2.com/categories/workflow-management), [Audio Conferencing Software](https://www.g2.com/categories/audio-conferencing)


---
## Reviewer Demographics

### By Company Size

| Segment | Microsoft 365 | Slack | 
|---|---|---|
| **Small-Business** | 34.4% | 41.0% | 
| **Mid-Market** | 35.4% | 40.6% | 
| **Enterprise** | 30.2% | 18.3% | 

### By Industry

#### Microsoft 365

- **Information Technology and Services:** 10.7%
- **Education Management:** 5.8%
- **Computer Software:** 5.2%
- **Higher Education:** 4.8%
- **Hospital & Health Care:** 4.0%
- **Financial Services:** 3.0%
- **Marketing and Advertising:** 2.6%
- **Non-Profit Organization Management:** 2.4%
- **Construction:** 2.1%
- **Accounting:** 2.0%
- **Other:** 57.2%

#### Slack

- **Computer Software:** 15.4%
- **Information Technology and Services:** 13.1%
- **Marketing and Advertising:** 8.5%
- **Internet:** 4.6%
- **Financial Services:** 3.4%
- **Education Management:** 3.3%
- **Higher Education:** 3.2%
- **Non-Profit Organization Management:** 2.6%
- **Hospital & Health Care:** 2.1%
- **Retail:** 1.7%
- **Other:** 42.1%

---
## Alternatives

### Alternatives to Microsoft 365

- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (47949 reviews)
- [ONLYOFFICE Workspace](https://www.g2.com/products/onlyoffice-workspace/reviews) — 4.4/5 stars (66 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56363 reviews)
- [LibreOffice](https://www.g2.com/products/libreoffice/reviews) — 4.3/5 stars (270 reviews)
- [Bitrix24](https://www.g2.com/products/bitrix24/reviews) — 4.1/5 stars (608 reviews)
- [Zoho Mail](https://www.g2.com/products/zoho-mail/reviews) — 4.4/5 stars (713 reviews)
- [WPS Office](https://www.g2.com/products/wps-office/reviews) — 4.4/5 stars (332 reviews)
- [OpenOffice](https://www.g2.com/products/openoffice/reviews) — 4.3/5 stars (312 reviews)
- [MobiOffice](https://www.g2.com/products/mobioffice/reviews) — 4.5/5 stars (39 reviews)
- [Doodle](https://www.g2.com/products/doodle/reviews) — 4.4/5 stars (2069 reviews)

### Alternatives to Slack

- [ClickUp](https://www.g2.com/products/clickup/reviews) — 4.6/5 stars (12347 reviews)
- [monday Work Management](https://www.g2.com/products/monday-com/reviews) — 4.7/5 stars (15352 reviews)
- [Confluence](https://www.g2.com/products/confluence/reviews) — 4.1/5 stars (4349 reviews)
- [Swit](https://www.g2.com/products/swit/reviews) — 4.7/5 stars (361 reviews)
- [Asana](https://www.g2.com/products/asana/reviews) — 4.4/5 stars (13626 reviews)
- [Wrike](https://www.g2.com/products/wrike/reviews) — 4.2/5 stars (4530 reviews)
- [Smartsheet](https://www.g2.com/products/smartsheet/reviews) — 4.4/5 stars (22001 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56363 reviews)
- [Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews) — 4.4/5 stars (18825 reviews)
- [Notion](https://www.g2.com/products/notion/reviews) — 4.6/5 stars (11780 reviews)

---
## Top Discussions

### Microsoft 365

- Title: [how to transfer microsoft office to another computer](https://www.g2.com/discussions/how-to-transfer-microsoft-office-to-another-computer) — 4 comments, 1 upvote
  > **Top comment:** "To complete this tasks, you have to have a product key and use that key to set up Microsoft on the second computer."
- Title: [what is the best way to make sure you never lose any work if your computer crashes](https://www.g2.com/discussions/14451-what-is-the-best-way-to-make-sure-you-never-lose-any-work-if-your-computer-crashes) — 3 comments, 1 upvote
  > **Top comment:** "Connect OneDrive to your Office files so you can backup, access, share, and collaborate on all your files from anywhere"
- Title: [What are the uses of Microsoft software?](https://www.g2.com/discussions/what-are-the-uses-of-microsoft-software) — 2 comments, 1 upvote
  > **Top comment:** "Software can be used as Office Applications as well as using the M365 services like Power Apps etc"
- Title: [What is Microsoft Office features?](https://www.g2.com/discussions/what-is-microsoft-office-features) — 2 comments
  > **Top comment:** "Wide range of products like:
Power point
Word
Excel
Visio"
- Title: [What you can other things you can do to Microsoft office?](https://www.g2.com/discussions/what-you-can-other-things-you-can-do-to-microsoft-office) — 2 comments, 1 upvote
  > **Top comment:** "You can rearrange all the programs in the Office package in your pinned program bar. I like to go warm to cool, but you could alternate or do a rainbow."

### Slack

- Title: [How do I delete a channel in slack?](https://www.g2.com/discussions/10278-how-do-i-delete-a-channel-in-slack) — 47 comments, 8 upvotes
  > **Top comment:** "Currently, Slack has disabled deleting a channel, you can only archive it if you created it."
- Title: [What does slack software do?](https://www.g2.com/discussions/what-does-slack-software-do) — 28 comments, 1 upvote
  > **Top comment:** "Slack is a messaging software perfect for companies, it allows you to create channels (groups), it let's you answer to messages in threads and react to..."
- Title: [What is Slack used for?](https://www.g2.com/discussions/what-is-slack-used-for) — 22 comments, 7 upvotes
  > **Top comment:** "It connect us with the people no matter where we are through messaging and calls."
- Title: [What integrations have you found most effective for streamlining communication in Slack?](https://www.g2.com/discussions/what-integrations-have-you-found-most-effective-for-streamlining-communication-in-slack) — 20 comments, 4 upvotes
  > **Top comment:** "Microsoft Outlook, Google Suite"
- Title: [Is Slack a good tool?](https://www.g2.com/discussions/is-slack-a-good-tool) — 19 comments, 22 upvotes
  > **Top comment:** "Yes it is a good tool. I am using it for a couple of years.  "

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/microsoft365-vs-slack)