# Microsoft Outlook vs Proton Mail For Business Comparison
---
## AI Generated Summary
- **G2 reviewers report** that Microsoft Outlook excels in integrating various productivity tools, such as email, calendar, and task management, into a single platform. Users appreciate how this integration helps them stay organized and collaborate effectively with colleagues, highlighting the user-friendly interface and the absence of ads as significant advantages.
- **Users say** Proton Mail For Business stands out for its focus on security, particularly with its built-in encryption for emails between Proton users. This feature is frequently praised by users who prioritize secure communication, making it a compelling choice for businesses that handle sensitive information.
- **Reviewers mention** that Microsoft Outlook has a higher overall satisfaction score, reflecting its robust feature set and reliability. Users have noted the effectiveness of its AI add-ons, which enhance productivity and streamline workflows, contributing to a more efficient work environment.
- **According to verified reviews** , Proton Mail For Business is appreciated for its simplicity and ease of use, allowing users to manage their workloads without unnecessary complexity. This straightforward approach resonates particularly well with small businesses looking for an uncomplicated email solution.
- **G2 reviewers highlight** that while Microsoft Outlook has a slightly lower score in ease of administration, it still provides a comprehensive suite of tools that can be beneficial for larger enterprises. Users have noted that the synergy with other Microsoft products enhances its overall functionality, making it a preferred choice for organizations already invested in the Microsoft ecosystem.
- **Users report** that Proton Mail For Business, while having a smaller market presence, offers a responsive support experience, which is often a significant factor for small businesses. This personalized support can be a deciding factor for teams that value direct communication and quick resolutions to issues.



---
## Frequently Asked Questions

### What is the difference between Outlook vs Proton Mail For Business?

Proton Mail For Business is distinguished by its stronger privacy and encryption focus, while Outlook is favored for its deep integrations and productivity features.

| [Outlook](https://www.g2.com/products/microsoft-outlook/reviews) | [Proton Mail For Business](https://www.g2.com/products/proton-mail-for-business/reviews) |
| --- | --- |
| 4.5/5 (3,523 reviews) | 4.6/5 (494 reviews) |
| Enterprise | Small-Business |
| 9.1 | 9.0 |
| 8.6 | 8.9 |
| Integrations (139 all-time mentions) | Privacy and encryption |



### How do the pricing models of Outlook and Proton Mail For Business compare?

Proton Mail For Business is rated higher for value, with reviewers expressing greater satisfaction with its pricing.

- **Outlook:** Reviewers describe Outlook as offering strong value as part of the Microsoft 365 subscription, especially when bundled with productivity tools, but note that advanced features are tied to higher-priced plans.
- **Proton Mail For Business:** Reviewers highlight Proton Mail For Business as affordable, with flexible options and strong privacy features, and appreciate its low cost for secure business email.
- **Switching-reason:** Several reviewers mention switching to Proton Mail For Business to avoid data mining and for enhanced privacy and compliance needs.



### What are the best alternatives to Outlook and Proton Mail For Business?

Spike, Google Workspace, and Superhuman Mail are the top three alternatives to Outlook and Proton Mail For Business.

| Product | G2 Rating (reviews) | Largest Segment | Pricing Insight | Top Reviewer-Cited Strength |
| --- | --- | --- | --- | --- |
| [Outlook](https://www.g2.com/products/microsoft-outlook/reviews) | 4.5/5 (3,523 reviews) | Enterprise | Strong value as part of Microsoft 365 bundle | Integrations (139 all-time mentions) |
| [Proton Mail For Business](https://www.g2.com/products/proton-mail-for-business/reviews) | 4.6/5 (494 reviews) | Small-Business | Affordable, flexible, privacy-focused | Privacy and encryption |
| [Spike](https://www.g2.com/products/spike/reviews) | 4.6/5 (262 reviews) | Small-Business | — | Unified inbox and chat-like email experience |
| [Google Workspace](https://www.g2.com/products/google-workspace/reviews) | 4.6/5 (48,169 reviews) | Small-Business | — | Collaboration and productivity tools |
| [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) | 4.8/5 (1,283 reviews) | Small-Business | — | Speed and streamlined workflow |



### Which Calendar features should I prioritize when comparing Outlook and Proton Mail For Business?

Buyers should prioritize privacy and encryption, integrations, ease of use, calendar management, and administrative controls when comparing Outlook and Proton Mail For Business.

- **Privacy and encryption:** Proton Mail For Business is consistently cited for its end-to-end encryption and privacy-first approach; Outlook is not highlighted for this feature.
- **Integrations:** Outlook has 139 all-time mentions for integrations, including Microsoft 365, Google Workspace, and Asana; Proton Mail For Business supports integrations with Thunderbird and Microsoft Outlook, but with fewer mentions.
- **Ease of use:** Outlook scores 9.0 and Proton Mail For Business scores 9.1 on Ease of Use, indicating near parity.
- **Calendar management:** Outlook is frequently praised for its calendar and scheduling features; Proton Mail For Business reviewers mention calendar functionality but note it is less integrated.
- **Administrative controls:** Proton Mail For Business scores 9.2 on Ease of Admin, compared to Outlook's 8.6, indicating stronger administrative satisfaction.



### What are the pros and cons of Outlook vs Proton Mail For Business?

Outlook's headline strength is its integrations and productivity features, while Proton Mail For Business is strongest in privacy and encryption.

- **Outlook strengths:** Integrations (139 all-time mentions), features (98), simple (89), platform integration (48).
- **Outlook trade-offs:** Learning curve (40), user interface complexity (25), difficult navigation (22), learning difficulty (21), navigation difficulty (15).
- **Proton Mail For Business strengths:** Reviewers highlight privacy, end-to-end encryption, HIPAA compliance, and ease of administration.
- **Proton Mail For Business trade-offs:** Reviewers note fewer third-party integrations, less advanced search due to encryption, and some limitations in calendar and document handling.



### Is Outlook or Proton Mail For Business better for small businesses?

Proton Mail For Business is the better fit for small businesses, as it is most popular in the Small-Business segment and praised for its ease of use and privacy.

- **Outlook:** Largest segment is Enterprise; reviewers in smaller organizations appreciate its integrations but sometimes find it complex for small teams.
- **Proton Mail For Business:** Largest segment is Small-Business; reviewers consistently cite its affordability, privacy, and straightforward setup as advantages for small business use.



### Which Calendar platform has better integrations?

Outlook is favored by reviewers for integrations, with a much higher volume of integration mentions and broader third-party support.

- **Outlook:** 139 all-time mentions for integrations, including Microsoft 365 (69), Google Workspace, and Asana.
- **Proton Mail For Business:** Integrates with Thunderbird and Microsoft Outlook, with fewer mentions and reviewers noting limited third-party integration options.



### How do Outlook and Proton Mail For Business compare on customer support?

Proton Mail For Business scores 0.3 points higher than Outlook on Quality of Support, a material difference favoring Proton Mail For Business.

- **Outlook:** Reviewers describe support as reliable and helpful, with scores of 8.6, but note occasional delays and the need for self-service documentation.
- **Proton Mail For Business:** Reviewers rate support at 8.9, highlighting responsive assistance, clear documentation, and satisfaction with privacy and compliance support.



### Which is easier to implement, Outlook or Proton Mail For Business?

Outlook and Proton Mail For Business score within a tenth of a point on Ease of Setup, indicating parity in implementation experience.

- **Outlook:** Reviewers describe setup as straightforward, especially when part of the Microsoft 365 ecosystem, with most citing a smooth onboarding process.
- **Proton Mail For Business:** Reviewers consistently mention easy setup, clear instructions, and simple domain and user management, with a 9.0 Ease of Setup score.



### Which product has better End-to-End Encryption?

Proton Mail For Business is the clear leader for End-to-End Encryption, with reviewers consistently citing its encryption-first approach and privacy protections.

- **Outlook:** End-to-End Encryption is not a headline feature in reviewer sentiment or feature lists.
- **Proton Mail For Business:** End-to-End Encryption is a core strength, with reviewers highlighting its OpenPGP implementation, zero-access encryption, and privacy compliance as key differentiators.



| | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Star Rating** | 4.5 out of 5 | 4.6 out of 5 | 
| **Total Reviews** | 3,537 | 495 | 
| **Largest Market Segment** | Enterprise (38.1% of reviews) | Small-Business (63.7% of reviews) | 
| **Entry Level Price** | No pricing available | Starting at $6.99 1 User Per Month | 

---
## Top Pros & Cons

### Microsoft Outlook

Pros:
- Ease of Use (227 reviews)
- Calendar Integration (125 reviews)

Cons:
- Slow Loading (84 reviews)
- Slow Performance (82 reviews)

### Proton Mail For Business

Pros:
- Ease of Use (3 reviews)
- Encryption (2 reviews)

Cons:
- Compatibility Issues (1 reviews)
- Complex Processes (1 reviews)

---
## Ratings Comparison
| Rating | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
  | **Meets Requirements** | 9.2 (2779 reviews) | 9.0 (133 reviews) | 
  | **Ease of Use** | 9.0 (2872 reviews) | 9.1 (469 reviews) | 
  | **Ease of Setup** | 9.1 (1045 reviews) | 9.0 (42 reviews) | 
  | **Ease of Admin** | 8.6 (324 reviews) | 9.2 (24 reviews) | 
  | **Quality of Support** | 8.6 (2262 reviews) | 8.9 (371 reviews) | 
  | **Has the product been a good partner in doing business?** | 8.8 (305 reviews) | 9.2 (21 reviews) | 
  | **Product Direction (% positive)** | 8.5 (2700 reviews) | 9.1 (130 reviews) | 

---
## Pricing

### Microsoft Outlook

#### Entry-Level Pricing

No pricing available

#### Free Trial

No information available

### Proton Mail For Business

#### Entry-Level Pricing

Plan: Mail Essentials

Price: Starting at $6.99 1 User Per Month

Description: Includes these features:

Key Features:
- 15 GB storage per user
- 10 email addresses per user
- 3 custom email domains supported

[Browse all 3 editions](https://www.g2.com/products/proton-mail-for-business/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Collaboration & Productivity

| Product | Score | Reviews |
|---|---|---|
| **Microsoft Outlook** | N/A | N/A |
| **Proton Mail For Business** | N/A | N/A |

#### Additional Functionality

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **To-Do List** | Not enough data | Not enough data | 
| **@mentions** | Not enough data | Not enough data | 
| **Single Sign On** | Not enough data | Not enough data | 
| **File Management** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Drag & Drop** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Prioritization** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **Screen Sharing** | Not enough data | Not enough data | 
| **Content Management** | Not enough data | Not enough data | 
| **Brainstorming** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **File Transfer** | Not enough data | Not enough data | 
| **Calendar Management** | Not enough data | Not enough data | 
| **Status Tracking** | Not enough data | Not enough data | 
| **Real-Time Notifications** | Not enough data | Not enough data | 
| **Version Control** | Not enough data | Not enough data | 
| **Task Management** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Real Time Editing** | Not enough data | Not enough data | 
| **Communication Management** | Not enough data | Not enough data | 
| **Chat/Messaging** | Not enough data | Not enough data | 
| **Tagging** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Assignment Management** | Not enough data | Not enough data | 
| **Task Scheduling** | Not enough data | Not enough data | 
| **Project Management** | Not enough data | Not enough data | 
| **Collaboration Tools** | Not enough data | Not enough data | 
| **Workflow Management** | Not enough data | Not enough data | 
| **Secure Data Storage** | Not enough data | Not enough data | 
| **File Sharing** | Not enough data | Not enough data | 
| **Document Storage** | Not enough data | Not enough data | 
| **Task Progress Tracking** | Not enough data | Not enough data | 
| **Discussions/Forums** | Not enough data | Not enough data | 
| **Commenting/Notes** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **Contact Management** | Not enough data | Not enough data | 
| **Video Conferencing** | Not enough data | Not enough data | 
| **Progress Tracking** | Not enough data | Not enough data | 
| **Mobile Access** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Document Management** | Not enough data | Not enough data | 
| **Customizable Branding** | Not enough data | Not enough data | 

### Email Security

| Product | Score | Reviews |
|---|---|---|
| **Microsoft Outlook** | N/A | N/A |
| **Proton Mail For Business** | N/A | N/A |

#### Additional Functionality

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Phishing Protection** | Not enough data | Not enough data | 
| **Threat Response** | Not enough data | Not enough data | 
| **Domain Check** | Not enough data | Not enough data | 
| **Security Auditing** | Not enough data | Not enough data | 
| **AI/Machine Learning** | Not enough data | Not enough data | 
| **Third-Party Integrations** | Not enough data | Not enough data | 
| **AI Copilot** | Not enough data | Not enough data | 
| **Reporting/Analytics** | Not enough data | Not enough data | 
| **Anomaly/Malware Detection** | Not enough data | Not enough data | 
| **SURLB/URIBL Filtering** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 
| **Scheduled/Automated Reports** | Not enough data | Not enough data | 
| **For MSPs** | Not enough data | Not enough data | 
| **Whitelisting/Blacklisting** | Not enough data | Not enough data | 
| **Fraud Detection** | Not enough data | Not enough data | 
| **Spam Blocker** | Not enough data | Not enough data | 
| **Spam Quarantine** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Data Leak Prevention** | Not enough data | Not enough data | 
| **Encryption** | Not enough data | Not enough data | 
| **Audit Trail** | Not enough data | Not enough data | 
| **Real-Time Monitoring** | Not enough data | Not enough data | 
| **Spam Analysis** | Not enough data | Not enough data | 
| **Policy Management** | Not enough data | Not enough data | 
| **Alerts/Escalation** | Not enough data | Not enough data | 
| **Email Management** | Not enough data | Not enough data | 
| **Vulnerability Scanning** | Not enough data | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 
| **Threat Protection** | Not enough data | Not enough data | 
| **Email Attachment Protection** | Not enough data | Not enough data | 
| **Email Filtering** | Not enough data | Not enough data | 
| **Two-Factor Authentication** | Not enough data | Not enough data | 

### Email Client

| Product | Score | Reviews |
|---|---|---|
| **Microsoft Outlook** | 8.8/10 | 1323 |
| **Proton Mail For Business** | N/A | N/A |

#### Inbox Tools

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Unified Inbox** | 9.1 (1104 reviews) | Not enough data | 
| **Filters** | 8.9 (1185 reviews) | Not enough data | 
| **Reminders** | 9.3 (1184 reviews) | Not enough data | 
| **Notifications** | 9.2 (1190 reviews) | Not enough data | 

#### Coordination Tools

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Calendar** | 9.3 (1209 reviews) | Not enough data | 
| **Contacts** | 8.9 (1155 reviews) | Not enough data | 
| **Task Management** | 8.8 (1101 reviews) | Not enough data | 

#### Software Options

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Desktop Application** | 9.2 (1170 reviews) | Not enough data | 
| **Mobile Application** | 8.7 (1122 reviews) | Not enough data | 

#### Email Client - Agentic AI

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Autonomous Task Execution** | 7.5 (116 reviews) | Not enough data | 
| **Cross-system Integration** | 7.8 (123 reviews) | Not enough data | 

### Calendar

| Product | Score | Reviews |
|---|---|---|
| **Microsoft Outlook** | 8.8/10 | 1530 |
| **Proton Mail For Business** | N/A | N/A |

#### Calendar View

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Multi-Calendar View** | 9.0 (1241 reviews) | Not enough data | 
| **Customizable Viewing** | 8.9 (1248 reviews) | Not enough data | 

#### Shared Calendar

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Calendar Collaboration** | 9.0 (1253 reviews) | Not enough data | 
| **Multiple Calendar Management** | 8.9 (1200 reviews) | Not enough data | 
| **Event Calendar** | Not enough data | Not enough data | 
| **Availability Management** | 9.7 (5 reviews) | Not enough data | 
| **Event Management** | 9.0 (8 reviews) | Not enough data | 
| **Email Management** | 9.6 (16 reviews) | Not enough data | 
| **Appointment Management** | Not enough data | Not enough data | 
| **Attendance Management** | Not enough data | Not enough data | 
| **Booking Management** | Not enough data | Not enough data | 
| **Timesheet Management** | Not enough data | Not enough data | 
| **Task Management** | Not enough data | Not enough data | 
| **Employee Management** | Not enough data | Not enough data | 

#### Accessibility

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Screen Reader Compatibility** | 8.8 (1065 reviews) | Not enough data | 
| **Keyboard Shortcuts** | 8.6 (1085 reviews) | Not enough data | 

#### Integration

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Sync Multiple Calendars** | 8.8 (1147 reviews) | Not enough data | 
| **Import Events** | 8.8 (1149 reviews) | Not enough data | 
| **Software Integrations** | 8.9 (1264 reviews) | Not enough data | 
| **Third-Party Integrations** | 10.0 (5 reviews) | Not enough data | 
| **Website Integration** | Not enough data | Not enough data | 

#### Notifications

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Customized Calendar Notifications** | 9.0 (1188 reviews) | Not enough data | 
| **Location-Based Alerts** | 8.5 (977 reviews) | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 
| **Mobile Alerts** | Not enough data | Not enough data | 

#### Generative AI

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **AI Text-to-Image** | 7.4 (426 reviews) | Not enough data | 
| **AI Text-to-Speech** | 7.5 (427 reviews) | Not enough data | 
| **AI Image-to-Text** | 7.4 (425 reviews) | Not enough data | 
| **Generative AI** | Not enough data | Not enough data | 

#### Agentic AI - Calendar

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Cross-system Integration** | 7.8 (173 reviews) | Not enough data | 
| **Calendar/Reminder System** | Not enough data | Not enough data | 

#### Additional Functionality

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Address Book** | Not enough data | Not enough data | 
| **Class Scheduling** | Not enough data | Not enough data | 
| **Customizable Templates** | Not enough data | Not enough data | 
| **Email Reminders** | Not enough data | Not enough data | 
| **Scheduling** | 9.3 (7 reviews) | Not enough data | 
| **Customizable Reports** | Not enough data | Not enough data | 
| **Real-Time Reporting** | Not enough data | Not enough data | 
| **Access Controls/Permissions** | Not enough data | Not enough data | 
| **SMS Messaging** | Not enough data | Not enough data | 
| **Automated Scheduling** | Not enough data | Not enough data | 
| **Task Scheduling** | Not enough data | Not enough data | 
| **Facility Scheduling** | Not enough data | Not enough data | 
| **Reminders** | Not enough data | Not enough data | 
| **Attendance Tracking** | Not enough data | Not enough data | 
| **Customer Database** | Not enough data | Not enough data | 
| **Collaboration Tools** | Not enough data | Not enough data | 
| **Customizable Branding** | Not enough data | Not enough data | 
| **AI Copilot** | 10.0 (5 reviews) | Not enough data | 
| **Room Booking** | Not enough data | Not enough data | 
| **Real-Time Data** | Not enough data | Not enough data | 
| **Electronic Payments** | Not enough data | Not enough data | 
| **Customizable Forms** | Not enough data | Not enough data | 
| **Calendar Sync** | Not enough data | Not enough data | 
| **API** | Not enough data | Not enough data | 
| **Customizable Fields** | Not enough data | Not enough data | 
| **Drag & Drop** | Not enough data | Not enough data | 
| **Color Codes/Icons** | Not enough data | Not enough data | 
| **Event Scheduling** | Not enough data | Not enough data | 
| **Real-Time Updates** | Not enough data | Not enough data | 
| **Activity Tracking** | Not enough data | Not enough data | 
| **Reporting & Statistics** | Not enough data | Not enough data | 
| **Activity Dashboard** | Not enough data | Not enough data | 

### Email

| Product | Score | Reviews |
|---|---|---|
| **Microsoft Outlook** | 7.9/10 | 512 |
| **Proton Mail For Business** | 6.9/10 | 13 |

#### Generative AI

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **AI Text Generation** | 7.8 (470 reviews) | 6.8 (12 reviews) | 
| **AI Text Summarization** | 7.9 (465 reviews) | 7.0 (9 reviews) | 
| **AI Text-to-Speech** | 7.7 (456 reviews) | Feature Not Available | 
| **Autonomous Task Execution** | 7.8 (144 reviews) | Feature Not Available | 
| **Cross-system Integration** | 8.3 (155 reviews) | Feature Not Available | 
| **Proactive Assistance** | 8.1 (148 reviews) | Feature Not Available | 

### Email Encryption

| Product | Score | Reviews |
|---|---|---|
| **Microsoft Outlook** | N/A | N/A |
| **Proton Mail For Business** | 9.1/10 | 337 |

#### Encryption Techniques - Email Encryption

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Encryption Algorithms** | Not enough data | 9.8 (20 reviews) | 
| **Transport Encryption** | Not enough data | 9.8 (19 reviews) | 
| **End-to-End Encryption** | Not enough data | 9.8 (115 reviews) | 

#### Authentication, Verification, and Access Controls - Email Encryption

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Revocation Mechanisms** | Not enough data | Not enough data | 
| **Access Controls** | Not enough data | 9.1 (20 reviews) | 
| **Digital Signatures** | Not enough data | 9.4 (8 reviews) | 
| **Certificate Authorities** | Not enough data | 9.3 (5 reviews) | 

#### Security Enhancements and Auditing - Email Encryption

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Malware Scanning** | Not enough data | 9.3 (7 reviews) | 
| **Reporting** | Not enough data | Not enough data | 
| **Audit Trails** | Not enough data | Feature Not Available | 
| **Data Loss Prevention (DLP)** | Not enough data | Feature Not Available | 

#### Integration, Compatibility, and Usability - Email Encryption

| Feature | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **User-Friendly Interfaces** | Not enough data | 8.7 (254 reviews) | 
| **APIs and SDKs** | Not enough data | Feature Not Available | 
| **Email Client Integration** | Not enough data | 6.5 (40 reviews) | 
| **Automation** | Not enough data | 9.0 (27 reviews) | 

---
## Categories
**Shared Categories (1):** [Email Software](https://www.g2.com/categories/email)

**Unique to Microsoft Outlook (2):** [Calendar Software](https://www.g2.com/categories/calendar-software), [Email Client Software](https://www.g2.com/categories/email-client)

**Unique to Proton Mail For Business (1):** [Email Encryption Software](https://www.g2.com/categories/email-encryption)


---
## Reviewer Demographics

### By Company Size

| Segment | Microsoft Outlook | Proton Mail For Business | 
|---|---|---|
| **Small-Business** | 25.3% | 63.7% | 
| **Mid-Market** | 36.6% | 25.1% | 
| **Enterprise** | 38.1% | 11.2% | 

### By Industry

#### Microsoft Outlook

- **Information Technology and Services:** 13.5%
- **Computer Software:** 8.1%
- **Financial Services:** 3.6%
- **Hospital & Health Care:** 3.5%
- **Higher Education:** 3.3%
- **Marketing and Advertising:** 3.3%
- **Education Management:** 2.8%
- **Accounting:** 2.6%
- **Staffing and Recruiting:** 2.6%
- **Construction:** 2.3%
- **Other:** 54.5%

#### Proton Mail For Business

- **Information Technology and Services:** 10.4%
- **Computer Software:** 7.9%
- **Mental Health Care:** 6.2%
- **Consulting:** 6.0%
- **Computer & Network Security:** 4.3%
- **Health, Wellness and Fitness:** 3.7%
- **Higher Education:** 3.1%
- **Internet:** 2.9%
- **Marketing and Advertising:** 2.5%
- **Non-Profit Organization Management:** 2.5%
- **Other:** 50.5%

---
## Alternatives

### Alternatives to Microsoft Outlook

- [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (261 reviews)
- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (48208 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1311 reviews)
- [Zoho Mail](https://www.g2.com/products/zoho-mail/reviews) — 4.4/5 stars (727 reviews)
- [Calendly](https://www.g2.com/products/calendly/reviews) — 4.7/5 stars (2648 reviews)
- [Front](https://www.g2.com/products/front/reviews) — 4.7/5 stars (2513 reviews)
- [Thunderbird](https://www.g2.com/products/thunderbird/reviews) — 4.3/5 stars (340 reviews)
- [Shift](https://www.g2.com/products/redbrick-shift/reviews) — 4.4/5 stars (263 reviews)
- [Titan](https://www.g2.com/products/titan-titan/reviews) — 4.6/5 stars (569 reviews)
- [iCal](https://www.g2.com/products/ical/reviews) — 4.1/5 stars (196 reviews)

### Alternatives to Proton Mail For Business

- [Spike](https://www.g2.com/products/spike/reviews) — 4.6/5 stars (261 reviews)
- [Google Workspace](https://www.g2.com/products/google-workspace/reviews) — 4.6/5 stars (48208 reviews)
- [Zoho Mail](https://www.g2.com/products/zoho-mail/reviews) — 4.4/5 stars (727 reviews)
- [Apple Mail](https://www.g2.com/products/apple-mail/reviews) — 3.9/5 stars (159 reviews)
- [Yahoo! Mail](https://www.g2.com/products/yahoo-mail/reviews) — 3.9/5 stars (104 reviews)
- [HEY](https://www.g2.com/products/basecamp-hey/reviews) — 3.9/5 stars (14 reviews)
- [Titan](https://www.g2.com/products/titan-titan/reviews) — 4.6/5 stars (569 reviews)
- [Superhuman Mail](https://www.g2.com/products/superhuman-mail/reviews) — 4.7/5 stars (1311 reviews)
- [Zimbra Collaboration Enterprise Collaboration](https://www.g2.com/products/zimbra-collaboration-enterprise-collaboration/reviews) — 3.6/5 stars (140 reviews)
- [Proofpoint Core Email Protection](https://www.g2.com/products/proofpoint-core-email-protection/reviews) — 4.6/5 stars (624 reviews)

---
## Top Discussions

### Microsoft Outlook

- Title: [What are the latest integrations and features in Microsoft Outlook that enhance email communication and productivity?](https://www.g2.com/discussions/microsoft-outlook-what-are-the-latest-integrations-and-features-in-microsoft-outlook-that-enhance-email-communication-a) — 6 comments, 3 upvotes
  > **Top comment:** "I like that you can pin conversations to the top of the email."
- Title: [What are the features of Outlook?](https://www.g2.com/discussions/what-are-the-features-of-outlook) — 5 comments
  > **Top comment:** "Mail and calendar are the top features."
- Title: [What business advantages does Outlook give over Gmail?](https://www.g2.com/discussions/best-for-business) — 5 comments, 1 upvote
  > **Top comment:** "There are several. One main one is that your email is stored (with Exchange) on your own server's rather than Google's. Also, there is built-in MS Office..."
- Title: [What is Microsoft Outlook used for?](https://www.g2.com/discussions/what-is-microsoft-outlook-used-for) — 4 comments
  > **Top comment:** "Microsoft outlook is used to send and receive emails. it is also used to manage calendar, tasks, meetings and contacts"
- Title: [What is the main purpose of Microsoft Outlook?](https://www.g2.com/discussions/what-is-the-main-purpose-of-microsoft-outlook) — 4 comments
  > **Top comment:** "It is mainly an email client (place to receive, send, and manage emails)."

### Proton Mail For Business

- Title: [Is ProtonMail legitimate?](https://www.g2.com/discussions/is-protonmail-legitimate) — 2 comments
  > **Top comment:** "Yes, I have been on their paid plan for a few years now. I highly recommend their services. They now have a cloud drive and a great VPN as well."
- Title: [What is Protonmail used for?](https://www.g2.com/discussions/protonmail-what-is-protonmail-used-for) — 1 comment
  > **Top comment:** "Secure cross-platform email."
- Title: [Can police track ProtonMail?](https://www.g2.com/discussions/can-police-track-protonmail) — 1 comment
  > **Top comment:** "From my opinion, police needs special permission to track protonmail, I guess in some cases that police is trying to track protonmail using illegal methods,..."
- Title: [When is the launching date of proton drive?](https://www.g2.com/discussions/when-is-the-launching-date-of-proton-drive) — 1 comment, 2 upvotes
  > **Top comment:** "As the Project Status is still "Under Development", any new information on its release will be added on the ProtonMail Twitter: @ProtonMail. Hope that helps."

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**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/microsoft-outlook-vs-proton-mail-for-business)