---
description: Compare Proton Mail vs Microsoft Defender for Office 365 regarding their features, reviews, pricing, specifications, screenshots & more.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/software_advice/og_logo-55146305bbe7b450bea05c18e9be9c9a.png
title: Proton Mail vs Microsoft Defender for Office 365 Comparison
---

Breadcrumb: [Home](/) > [Encryption Software](/directory/4659/encryption/software) > [Proton Mail \<span\>vs\</span\> Microsoft Defender for Office 365](https://www.softwareadvice.co.uk/compare/245249/397740/protonmail/vs/microsoft-defender-for-office-365)

# Compare Proton Mail vs Microsoft Defender for Office 365

Canonical: https://www.softwareadvice.co.uk/compare/245249/397740/protonmail/vs/microsoft-defender-for-office-365

> Detailed comparison between Proton Mail and Microsoft Defender for Office 365. Check ratings, reviews, pricing, and features to make the best decision for your business.

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## At a Glance

| Metric | Proton Mail | Microsoft Defender for Office 365 |
| **Overall rating** | 4.5/5 | 4.6/5 |
| **Total Reviews** | 122 | 235 |
| **Starting Price** | US$6.99 | - |
| **Free Trial** | Yes | No |
| **Free Version** | No | - |
| **Deployment** | Cloud, SaaS, Web-based, Mac (Desktop), Windows (Desktop), Linux (Desktop), Chromebook (Desktop), Android (Mobile), iPhone (Mobile), iPad (Mobile) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base, 24/7 (Live rep), Chat | - |
| **Training** | Live Online, Documentation, Videos | Live Online, Webinars, Documentation, Videos |

## Key features

### Proton Mail

- Access Controls/Permissions
- Activity Tracking
- Credential Management
- Email Attachment Protection
- Email Filtering
- Email Management
- Encryption
- Reporting/Analytics
- SSL Security
- Secure Login
- Spam Blocker
- Threat Protection
- Threat Response
- Two-Factor Authentication
- Whitelisting/Blacklisting

### Microsoft Defender for Office 365

- Access Controls/Permissions
- Anti Spam
- Email Attachment Protection
- Email Filtering
- Email Routing
- Filtering
- Greylisting
- Policy Management
- Reporting/Analytics
- Spam Blocker
- Threat Protection
- Threat Response
- Whitelisting/Blacklisting

## Links

- [View Proton Mail Profile](https://www.softwareadvice.co.uk/software/245249/protonmail)
- [View Microsoft Defender for Office 365 Profile](https://www.softwareadvice.co.uk/software/397740/microsoft-defender-for-office-365)
- [View Original Comparison](https://www.softwareadvice.co.uk/compare/245249/397740/protonmail/vs/microsoft-defender-for-office-365)

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