---
description: Quickly find and compare the leading Mailock vs Microsoft Defender for Office 365 alternatives. Comprehensive listing of competitors & similar tools for fast software selection and to contact several providers directly.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/getapp/og_logo-94fd2a03a6c7a0e54fc0c9e21a1c0ce9.png
title: Compare Mailock vs Microsoft Defender for Office 365 | GetApp Canada 2026
---

Breadcrumb: [Home](/) > [Secure Email Gateway Software](/directory/3801/secure-email-gateway/software) > [Mailock \<span\>vs\</span\> Microsoft Defender for Office 365](https://www.getapp.ca/compare/2050061/2054932/mailock/vs/microsoft-defender-for-office-365)

# Compare Mailock vs Microsoft Defender for Office 365

Canonical: https://www.getapp.ca/compare/2050061/2054932/mailock/vs/microsoft-defender-for-office-365

> Detailed comparison between Mailock 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 | Mailock | Microsoft Defender for Office 365 |
| **Overall rating** | 4.7/5 | 4.6/5 |
| **Total Reviews** | 63 | 241 |
| **Starting Price** | - | - |
| **Free Trial** | Yes | No |
| **Free Version** | Yes | - |
| **Deployment** | Cloud, SaaS, Web-based, Windows (Desktop), Windows (On-Premise) | Cloud, SaaS, Web-based |
| **Support** | Email/Help Desk, FAQs/Forum, Knowledge Base Software, Phone Support | - |
| **Training Software** | In Person, Live Online, Webinars, Documentation, Videos | Live Online, Webinars, Documentation, Videos |

## Key features

### Mailock

- API
- Access Controls/Permissions
- Allow/Block List
- Archiving & Retention
- Data Loss Prevention Software
- Email Attachment Protection
- Email Filtering
- Email Monitoring
- Event Logs
- For MSPs
- Microsoft Outlook Integration
- Monitoring
- Phishing Protection
- Policy Management Software
- Real-Time Monitoring
- Reporting/Analytics
- Threat Protection
- Threat Response

### Microsoft Defender for Office 365

- Access Controls/Permissions
- Allow/Block List
- Data Loss Prevention Software
- Email Attachment Protection
- Email Filtering
- Email Routing
- Filtering
- Microsoft Outlook Integration
- Phishing Protection
- Policy Management Software
- Real-Time Monitoring
- Reporting/Analytics
- Threat Protection
- Threat Response

## Links

- [View Mailock Profile](https://www.getapp.ca/software/2050061/mailock)
- [View Microsoft Defender for Office 365 Profile](https://www.getapp.ca/software/2054932/microsoft-defender-for-office-365)
- [View Original Comparison](https://www.getapp.ca/compare/2050061/2054932/mailock/vs/microsoft-defender-for-office-365)

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