# Slack, Viva Engage vs Microsoft Teams Comparison

| | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Star Rating** | 4.5 out of 5 | 3.6 out of 5 | 4.4 out of 5 | 
| **Total Reviews** | 39,029 | 1,441 | 18,956 | 
| **Largest Market Segment** | Small-Business (41.0% of reviews) | Enterprise (59.6% of reviews) | Enterprise (39.6% of reviews) | 
| **Entry Level Price** | $0.00 | No pricing available | $4.80 1 User Per Month | 

---
## Top Pros & Cons

### Slack

Pros:
- Ease of Use (3617 reviews)
- Team Collaboration (3147 reviews)

Cons:
- Notification Issues (1136 reviews)
- Missing Features (939 reviews)

### Viva Engage

Pros:
- Ease of Use (4 reviews)
- Connectivity (3 reviews)

Cons:
- Low Engagement (3 reviews)
- Distraction (2 reviews)

### Microsoft Teams

Pros:
- Ease of Use (969 reviews)
- Team Collaboration (896 reviews)

Cons:
- Slow Loading (418 reviews)
- Performance Issues (299 reviews)

---
## Ratings Comparison
| Rating | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
  | **Meets Requirements** | 9.2 (31617 reviews) | 7.9 (1264 reviews) | 8.9 (14073 reviews) | 
  | **Ease of Use** | 9.2 (32473 reviews) | 8.1 (1280 reviews) | 8.8 (14312 reviews) | 
  | **Ease of Setup** | 9.2 (8791 reviews) | 8.3 (178 reviews) | 9.1 (4669 reviews) | 
  | **Ease of Admin** | 8.9 (5423 reviews) | 7.7 (166 reviews) | 8.7 (2734 reviews) | 
  | **Quality of Support** | 8.8 (22006 reviews) | 7.8 (757 reviews) | 8.6 (11338 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.1 (4904 reviews) | 7.8 (147 reviews) | 8.9 (2751 reviews) | 
  | **Product Direction (% positive)** | 8.7 (30832 reviews) | 6.0 (1264 reviews) | 8.6 (13364 reviews) | 

---
## Pricing

### 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

### Viva Engage

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Microsoft Teams

#### Entry-Level Pricing

Plan: Teams Essentials

Price: $4.80 1 User Per Month

Key Features:
- Seamless integration with Exchange: Teams Essentials works with On-Premises or Hosted Exchange so that Office clients can get Teams in the cloud.
-  Upgraded online meetings: Provide professional features like virtual backgrounds, screen sharing, and recording from any device for your clients.
- Fully-enabled dynamic chats: Keep conversations going internally or externally with continuous chat, searchable history, and in-app file sharing and collaboration.

[Learn more about Microsoft Teams](https://www.g2.com/products/microsoft-teams/reviews)

#### Free Trial

No

---
## Features Comparison By Category

### Team Collaboration

| Product | Score | Reviews |
|---|---|---|
| **Slack** | N/A | N/A |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Communication

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

#### Content Management

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

#### Productivity Tools

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

#### Administration

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

### Business Instant Messaging

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.2/10 | 16019 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | 8.5/10 | 10529 |

#### Business Instant Messaging

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **File Sharing** | 9.1 (13972 reviews) | Not enough data | 8.9 (8982 reviews) | 
| **Notifications** | 9.0 (14507 reviews) | Not enough data | 8.7 (9180 reviews) | 
| **Search** | 8.6 (13803 reviews) | Not enough data | 8.4 (8490 reviews) | 

#### Business Instant Messaging 

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Audio Conferencing** | 8.5 (10246 reviews) | Not enough data | 9.0 (8450 reviews) | 
| **Video Conferencing** | 8.1 (9580 reviews) | Not enough data | 9.0 (8436 reviews) | 

#### Business Instant Messaging

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Mobile Application** | 9.1 (13683 reviews) | Not enough data | 8.8 (8176 reviews) | 
| **Web Application** | 9.2 (13289 reviews) | Not enough data | 8.8 (8365 reviews) | 
| **Integrations** | 9.0 (11838 reviews) | Not enough data | 8.7 (7370 reviews) | 

#### Generative AI - Business Instant Messaging

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Text Summarization** | 7.5 (1486 reviews) | Not enough data | 8.2 (1030 reviews) | 

#### AI - Business Instant Messaging

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **AI Powered Search** | 7.5 (1470 reviews) | Not enough data | 8.1 (994 reviews) | 
| **Smart Notifications** | 7.9 (1478 reviews) | Not enough data | 8.3 (994 reviews) | 
| **AI Powered Language Translation** | 7.4 (1450 reviews) | Not enough data | 8.0 (979 reviews) | 
| **Content Generation** | 7.4 (1452 reviews) | Not enough data | 8.1 (973 reviews) | 

#### Agentic AI - Business Instant Messaging

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Cross-system Integration** | 7.7 (879 reviews) | Not enough data | 8.0 (586 reviews) | 
| **Natural Language Interaction** | 7.7 (863 reviews) | Not enough data | 8.1 (572 reviews) | 

### Workflow Management

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.4/10 | 905 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Setup

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

#### Management

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

#### Generative AI

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

#### Agentic AI - Workflow Management

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

### Q&A Platforms

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.8/10 | 410 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Account Options

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

#### Q&A Tools

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

### Knowledge Base

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.3/10 | 496 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Knowledge Pages

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

#### Knowledge Dissemination

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Page Analytics** | 8.2 (321 reviews) | Not enough data | Not enough data | 
| **Permissions** | 8.7 (329 reviews) | Not enough data | Not enough data | 
| **Knowledge Sharing** | 9.0 (338 reviews) | Not enough data | Not enough data | 
| **Notifications** | 8.9 (337 reviews) | Not enough data | Not enough data | 
| **Advanced Search** | 8.3 (330 reviews) | Not enough data | Not enough data | 
| **Browser Extension** | 8.2 (318 reviews) | Not enough data | Not enough data | 
| **Organization** | 8.7 (335 reviews) | Not enough data | Not enough data | 
| **Other Integrations** | 8.6 (323 reviews) | Not enough data | Not enough data | 
| **Knowledge Integrations** | 8.6 (315 reviews) | Not enough data | Not enough data | 

#### Agentic AI - Knowledge Base

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

### Unified Workspaces

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.3/10 | 1021 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Login Options 

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

#### Productivity

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Email Client** | 8.0 (726 reviews) | Not enough data | Not enough data | 
| **Split Screen** | 8.3 (730 reviews) | Not enough data | Not enough data | 
| **Activity Feed** | 8.6 (739 reviews) | Not enough data | Not enough data | 
| **Virtual Assistant** | 7.8 (712 reviews) | Not enough data | Not enough data | 
| **Analytics and Reporting** | 7.9 (705 reviews) | Not enough data | Not enough data | 

#### Customization 

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

#### Agentic AI - Unified Workspaces

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

### Enterprise Search Software

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 9.0/10 | 141 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Compatibility

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

#### Agentic AI - Enterprise Search Software

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

#### Search Queries

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

#### AI powered search - Enterprise Search Software

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

#### Functionality

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

#### Compatibility - Enterprise Search Software

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

#### Functionality - Enterprise Search Software

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

#### Search Queries - Enterprise Search Software

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

### Work Management

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.5/10 | 2623 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Automation

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Workflows** | 8.9 (1248 reviews) | Not enough data | Not enough data | 
| **Customization** | 8.8 (1203 reviews) | Not enough data | Not enough data | 
| **Data repository** | 8.5 (1178 reviews) | Not enough data | Not enough data | 

#### Administration

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Permissions** | 8.8 (1197 reviews) | Not enough data | Not enough data | 
| **Procedures** | 8.6 (1133 reviews) | Not enough data | Not enough data | 
| **Remote Work** | 9.4 (1359 reviews) | Not enough data | Not enough data | 

#### Project management

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Task Prioritization** | 8.7 (1167 reviews) | Not enough data | Not enough data | 
| **Dependencies** | 8.5 (1115 reviews) | Not enough data | Not enough data | 
| **Planning** | 8.6 (1138 reviews) | Not enough data | Not enough data | 
| **Views** | 8.5 (1128 reviews) | Not enough data | Not enough data | 
| **Scheduling** | 8.6 (1137 reviews) | Not enough data | Not enough data | 
| **Critical Path** | 8.3 (1094 reviews) | Not enough data | Not enough data | 
| **Dashboards** | 8.3 (1121 reviews) | Not enough data | Not enough data | 

#### Workload

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Resource Allocation** | 8.4 (1077 reviews) | Not enough data | Not enough data | 
| **Workspace** | 8.8 (1171 reviews) | Not enough data | Not enough data | 
| **Configuration** | 8.6 (1092 reviews) | Not enough data | Not enough data | 
| **Insights** | 8.5 (1088 reviews) | Not enough data | Not enough data | 

#### Communication & Collaboration

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Communication Channels** | 9.4 (1780 reviews) | Not enough data | Not enough data | 
| **Document Management** | 9.0 (1332 reviews) | Not enough data | Not enough data | 
| **Collaboration** | 9.4 (1514 reviews) | Not enough data | Not enough data | 

#### Cost Management

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

#### Integration

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Front Office** | 8.7 (1273 reviews) | Not enough data | Not enough data | 
| **Back Office** | 8.4 (1082 reviews) | Not enough data | Not enough data | 
| **External data** | 8.4 (1090 reviews) | Not enough data | Not enough data | 

#### Generative AI

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

#### Agentic AI - Work Management

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Autonomous Task Execution** | 7.7 (519 reviews) | Not enough data | Not enough data | 
| **Multi-step Planning** | 7.8 (511 reviews) | Not enough data | Not enough data | 
| **Cross-system Integration** | 8.2 (546 reviews) | Not enough data | Not enough data | 
| **Natural Language Interaction** | 7.8 (516 reviews) | Not enough data | Not enough data | 

### Project Collaboration

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 8.5/10 | 1647 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Communication

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Chat** | 9.4 (1187 reviews) | Not enough data | Not enough data | 
| **Discussions** | 9.4 (1143 reviews) | Not enough data | Not enough data | 
| **External** | 8.8 (1057 reviews) | Not enough data | Not enough data | 
| **Feedback** | 8.9 (1038 reviews) | Not enough data | Not enough data | 
| **Announcements** | 9.1 (1050 reviews) | Not enough data | Not enough data | 

#### Content & Documents

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **File Sharing** | 9.2 (1108 reviews) | Not enough data | Not enough data | 
| **Notes** | 8.9 (1045 reviews) | Not enough data | Not enough data | 
| **Search** | 8.7 (1069 reviews) | Not enough data | Not enough data | 
| **Versioning** | 8.1 (1003 reviews) | Not enough data | Not enough data | 

#### Controls

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

#### Project Management

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Task Management** | 8.4 (1002 reviews) | Not enough data | Not enough data | 
| **Planning** | 8.3 (976 reviews) | Not enough data | Not enough data | 
| **Visibility** | 8.5 (982 reviews) | Not enough data | Not enough data | 
| **Integration** | 8.7 (994 reviews) | Not enough data | Not enough data | 

#### Remote Collaboration

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Alignment** | 9.0 (996 reviews) | Not enough data | Not enough data | 
| **Accountability** | 8.7 (970 reviews) | Not enough data | Not enough data | 
| **Connectivity** | 9.0 (989 reviews) | Not enough data | Not enough data | 
| **Offline Mode** | 7.8 (954 reviews) | Not enough data | Not enough data | 

#### Generative AI

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

#### Agentic AI - Project Collaboration

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

### Video Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Slack** | N/A | N/A |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | 8.8/10 | 10306 |

#### Collaboration Tools

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Screen Sharing** | Not enough data | Not enough data | 9.0 (8112 reviews) ✓ Verified | 
| **Presentations** | Not enough data | Not enough data | 9.1 (5731 reviews) ✓ Verified | 
| **Whiteboarding** | Not enough data | Not enough data | Feature Not Available | 
| **Live Chat** | Not enough data | Not enough data | 9.2 (6345 reviews) ✓ Verified | 
| **Hand Raising** | Not enough data | Not enough data | Feature Not Available | 

#### Meeting Coordination

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Scheduling** | Not enough data | Not enough data | 9.0 (7803 reviews) ✓ Verified | 
| **Recording** | Not enough data | Not enough data | 8.9 (7020 reviews) ✓ Verified | 
| **Participant Permissions** | Not enough data | Not enough data | 8.8 (7196 reviews) ✓ Verified | 
| **One-Click Join** | Not enough data | Not enough data | 8.9 (5678 reviews) ✓ Verified | 

#### Software Type

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Mobile** | Not enough data | Not enough data | 8.8 (7312 reviews) ✓ Verified | 
| **Browser Application** | Not enough data | Not enough data | 8.7 (5315 reviews) ✓ Verified | 
| **Desktop Application** | Not enough data | Not enough data | 9.1 (5973 reviews) ✓ Verified | 

#### Agentic AI - Video Conferencing

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 7.8 (702 reviews) | 
| **Proactive Assistance** | Not enough data | Not enough data | 7.9 (706 reviews) | 
| **Decision Making** | Not enough data | Not enough data | 7.9 (668 reviews) | 

### Enterprise Social Networking (ESN)

| Product | Score | Reviews |
|---|---|---|
| **Slack** | N/A | N/A |
| **Viva Engage** | 9.0/10 | 9 |
| **Microsoft Teams** | N/A | N/A |

#### Content & Community Features - Enterprise Social Networking (ESN)

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Gamification** | Not enough data | 7.7 (8 reviews) | Not enough data | 
| **Community Building** | Not enough data | 9.4 (9 reviews) | Not enough data | 
| **Knowledge Sharing** | Not enough data | 8.8 (8 reviews) | Not enough data | 
| **User Generated Content** | Not enough data | 9.4 (9 reviews) | Not enough data | 

#### Admin & Reporting Features - Enterprise Social Networking (ESN)

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Content Moderation** | Not enough data | 9.2 (8 reviews) | Not enough data | 
| **Polls & Surveys** | Not enough data | 9.4 (8 reviews) | Not enough data | 
| **Content Management** | Not enough data | 9.0 (8 reviews) | Not enough data | 
| **Analytics & Reporting** | Not enough data | 9.0 (8 reviews) | Not enough data | 
| **User Management** | Not enough data | 9.0 (8 reviews) | Not enough data | 

#### Agentic AI - Enterprise Social Networking (ESN)

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Multi-step Planning** | Not enough data | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | Not enough data | 

### Audio Conferencing

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 7.6/10 | 349 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Agentic AI - Audio Conferencing

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

### Employee Intranet

| Product | Score | Reviews |
|---|---|---|
| **Slack** | N/A | N/A |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Agentic AI - Employee Intranet

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | Not enough data | 

### AI Note-Taking Software

| Product | Score | Reviews |
|---|---|---|
| **Slack** | 9.1/10 | 29 |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | 8.5/10 | 202 |

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

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Action Item extraction** | 8.9 (12 reviews) | Not enough data | 8.5 (116 reviews) | 
| **Summary Generation** | 9.2 (12 reviews) | Not enough data | 8.9 (129 reviews) | 

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

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Speech-to-text Transcription** | 9.5 (14 reviews) | Not enough data | 8.8 (129 reviews) | 

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

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Team-based Access** | 9.3 (12 reviews) | Not enough data | 8.7 (125 reviews) | 

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

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Multi-Language and Accent Support** | 9.2 (13 reviews) | Not enough data | 8.2 (115 reviews) | 

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

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Integrations** | 9.0 (14 reviews) | Not enough data | 8.4 (122 reviews) | 

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

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Access Control** | 8.9 (14 reviews) | Not enough data | 8.7 (116 reviews) | 

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

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Semantic Search** | 8.8 (12 reviews) | Not enough data | 8.2 (107 reviews) | 

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

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Speaker Recognition** | 9.1 (13 reviews) | Not enough data | 8.6 (122 reviews) | 

### Knowledge Management

| Product | Score | Reviews |
|---|---|---|
| **Slack** | N/A | N/A |
| **Viva Engage** | N/A | N/A |
| **Microsoft Teams** | N/A | N/A |

#### Knowledge Base

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Q & A** | Not enough data | Not enough data | Not enough data | 
| **Link Sharing** | Not enough data | Not enough data | Not enough data | 
| **Searchable** | Not enough data | Not enough data | Not enough data | 

#### Security

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

#### Content

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

#### Communication

| Feature | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Social Features** | Not enough data | Not enough data | Not enough data | 
| **Tagging ** | Not enough data | Not enough data | Not enough data | 
| **Upload ** | Not enough data | Not enough data | Not enough data | 
| **Comments** | Not enough data | Not enough data | Not enough data | 

---
## Categories

**Unique to Slack (10):** [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), [Business Instant Messaging Software](https://www.g2.com/categories/business-instant-messaging), [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)

**Unique to Viva Engage (2):** [Enterprise Social Networking (ESN) Software](https://www.g2.com/categories/enterprise-social-networking-esn), [Employee Intranet Software](https://www.g2.com/categories/employee-intranet)

**Unique to Microsoft Teams (3):** [Business Instant Messaging Software](https://www.g2.com/categories/business-instant-messaging), [Video Conferencing Software](https://www.g2.com/categories/video-conferencing), [AI Note-Taking Software](https://www.g2.com/categories/ai-note-taking-software)


---
## Reviewer Demographics

### By Company Size

| Segment | Slack | Viva Engage | Microsoft Teams | 
|---|---|---|---|
| **Small-Business** | 41.0% | 10.2% | 22.1% | 
| **Mid-Market** | 40.7% | 30.2% | 38.4% | 
| **Enterprise** | 18.3% | 59.6% | 39.6% | 

### By Industry

#### Slack

- **Computer Software:** 15.4%
- **Information Technology and Services:** 13.2%
- **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%

#### Viva Engage

- **Information Technology and Services:** 14.8%
- **Computer Software:** 6.8%
- **Hospital & Health Care:** 5.2%
- **Education Management:** 3.9%
- **Higher Education:** 3.8%
- **Non-Profit Organization Management:** 3.6%
- **Retail:** 3.5%
- **Accounting:** 3.4%
- **Management Consulting:** 2.7%
- **Financial Services:** 2.5%
- **Other:** 49.5%

#### Microsoft Teams

- **Information Technology and Services:** 17.2%
- **Computer Software:** 9.3%
- **Financial Services:** 3.7%
- **Education Management:** 3.5%
- **Marketing and Advertising:** 3.5%
- **Higher Education:** 3.3%
- **Hospital & Health Care:** 3.2%
- **Accounting:** 2.5%
- **Telecommunications:** 2.1%
- **Insurance:** 2.0%
- **Other:** 49.7%

---
## Alternatives

### Alternatives to Slack

- [ClickUp](https://www.g2.com/products/clickup/reviews) — 4.6/5 stars (12382 reviews)
- [monday Work Management](https://www.g2.com/products/monday-com/reviews) — 4.7/5 stars (15365 reviews)
- [Confluence](https://www.g2.com/products/confluence/reviews) — 4.1/5 stars (4350 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 (13633 reviews)
- [Wrike](https://www.g2.com/products/wrike/reviews) — 4.2/5 stars (4529 reviews)
- [Smartsheet](https://www.g2.com/products/smartsheet/reviews) — 4.4/5 stars (22059 reviews)
- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56383 reviews)
- [Notion](https://www.g2.com/products/notion/reviews) — 4.6/5 stars (11855 reviews)
- [Bitrix24](https://www.g2.com/products/bitrix24/reviews) — 4.1/5 stars (608 reviews)

### Alternatives to Viva Engage

- [Workvivo](https://www.g2.com/products/workvivo/reviews) — 4.8/5 stars (2656 reviews)
- [Jive](https://www.g2.com/products/jive/reviews) — 3.8/5 stars (309 reviews)
- [eXo Platform](https://www.g2.com/products/exo-platform/reviews) — 4.3/5 stars (93 reviews)
- [Simpplr](https://www.g2.com/products/simpplr/reviews) — 4.6/5 stars (361 reviews)
- [Bitrix24](https://www.g2.com/products/bitrix24/reviews) — 4.1/5 stars (608 reviews)
- [HCL Connections](https://www.g2.com/products/hcl-connections/reviews) — 3.9/5 stars (518 reviews)
- [Jostle](https://www.g2.com/products/jostle/reviews) — 4.6/5 stars (227 reviews)
- [Blink](https://www.g2.com/products/blink-blink/reviews) — 4.7/5 stars (289 reviews)
- [Sociabble](https://www.g2.com/products/sociabble/reviews) — 4.7/5 stars (388 reviews)
- [Staffbase](https://www.g2.com/products/staffbase/reviews) — 4.6/5 stars (247 reviews)

### Alternatives to Microsoft Teams

- [Zoom Workplace](https://www.g2.com/products/zoom-workplace/reviews) — 4.5/5 stars (56383 reviews)
- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (47993 reviews)
- [Webex Suite](https://www.g2.com/products/cisco-webex-suite/reviews) — 4.2/5 stars (18889 reviews)
- [ClickUp](https://www.g2.com/products/clickup/reviews) — 4.6/5 stars (12382 reviews)
- [Otter.ai](https://www.g2.com/products/otter-ai/reviews) — 4.4/5 stars (489 reviews)
- [Rocket.Chat](https://www.g2.com/products/rocket-chat/reviews) — 4.2/5 stars (374 reviews)
- [Zoho Cliq](https://www.g2.com/products/zoho-cliq/reviews) — 4.4/5 stars (267 reviews)
- [Lark](https://www.g2.com/products/lark-lark/reviews) — 4.5/5 stars (179 reviews)
- [GoTo Meeting](https://www.g2.com/products/goto-meeting/reviews) — 4.2/5 stars (17096 reviews)
- [monday Work Management](https://www.g2.com/products/monday-com/reviews) — 4.7/5 stars (15365 reviews)

---
## Top Discussions

### 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) — 20 comments, 22 upvotes
  > **Top comment:** "Yes it is a good tool. I am using it for a couple of years.  "

### Viva Engage

- Title: [I'm new to Yammer and unsure how to engage my team in company-wide discussions. Any advice?](https://www.g2.com/discussions/i-m-new-to-yammer-and-unsure-how-to-engage-my-team-in-company-wide-discussions-any-advice) — 2 comments
  > **Top comment:** "To engage your team on Yammer, start by setting a welcoming tone with introductions and simple icebreaker questions. Tag team members in relevant posts,..."
- Title: [Is yammer any good?](https://www.g2.com/discussions/is-yammer-any-good) — 1 comment
  > **Top comment:** "Yes it’s a great tool for employee communication. "
- Title: [What can yammer be used for?](https://www.g2.com/discussions/what-can-yammer-be-used-for) — 1 comment
  > **Top comment:** "Networking with colleagues"
- Title: [Can i get notifications of when a poll is being answered and the progress made based on the number of users that have submitted their answers to determine percentages of participation?](https://www.g2.com/discussions/can-i-get-notifications-of-when-a-poll-is-being-answered-and-the-progress-made-based-on-the-number-of-users-that-have-submitted-their-answers-to-determine-percentages-of-participation) — 1 comment, 1 upvote
  > **Top comment:** "Yes you can get notifications in your email"
- Title: [Whats the best way to use Yammer is it only for sharing an update or a post?](https://www.g2.com/discussions/30075-whats-the-best-way-to-use-yammer-is-it-only-for-sharing-an-update-or-a-post) — 1 comment
  > **Top comment:** "in the application but the Web interface is not bad at all"

### Microsoft Teams

- Title: [What is the use of Microsoft teams?](https://www.g2.com/discussions/what-is-the-use-of-microsoft-teams) — 19 comments, 6 upvotes
  > **Top comment:** "Collaboration "
- Title: [What software do you need for Microsoft teams?](https://www.g2.com/discussions/what-software-do-you-need-for-microsoft-teams) — 18 comments, 10 upvotes
  > **Top comment:** "To use Microsoft Teams effectively, you typically need the following software and components:

Microsoft Teams Application: You can download and install..."
- Title: [What are Microsoft teams features?](https://www.g2.com/discussions/what-are-microsoft-teams-features) — 12 comments, 4 upvotes
  > **Top comment:** "most used features in my work place
text based chat
video calling
team meetings"
- Title: [Does it integrate with gmail](https://www.g2.com/discussions/15479-does-it-integrate-with-gmail) — 9 comments, 2 upvotes
  > **Top comment:** "No"
- Title: [Is there a way to mute notifcations?](https://www.g2.com/discussions/33039-is-there-a-way-to-mute-notifcations) — 7 comments, 4 upvotes
  > **Top comment:** "If you go to "Channel notifications" in your settings, you can adjust notifications (and turn most of them off). "

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