---
description: Side-by-side comparison of Microsoft Defender for Office 365 vs Mailock. Learn about each of the product's price, benefits and disadvantages. Choose the best software for your business in Singapore.
image: https://gdm-localsites-assets-gfprod.imgix.net/images/capterra/og_logo-e5a8c001ed0bd1bb922639230fcea71a.png?auto=format%2Cenhance%2Ccompress
title: Microsoft Defender for Office 365 vs Mailock Comparison - Capterra Singapore 2026
---

Breadcrumb: [Home](/) > [Anti-Spam Software](/directory/30996/anti-spam/software) > [Microsoft Defender for Office 365 \<span\>vs\</span\> Mailock](https://www.capterra.com.sg/compare/219685/1014858/microsoft-defender-for-office-365/vs/mailock)

# Compare Microsoft Defender for Office 365 vs Mailock

Canonical: https://www.capterra.com.sg/compare/219685/1014858/microsoft-defender-for-office-365/vs/mailock

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

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## At a Glance

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

## Best for

### Microsoft Defender for Office 365

DevOps and Security Operations (SecOps) teams&#10;Security engineering teams&#10;IT teams&#10;CISOs and CTOs&#10;Red, Blue, and Purple Teams&#10;CSIRT \&amp; forensic team&#10;Microsoft 365 administrators

### Mailock

Financial Services, Insurance \&amp; Pensions, Banking, Accountancy, Education, Recruitment, Legal, Government, Healthcare, Investments, Estate \&amp; Lettings

## Key features

### 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
- Real-Time Monitoring
- Reporting/Analytics
- Threat Protection
- Threat Response

### Mailock

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

## Links

- [View Microsoft Defender for Office 365 Profile](https://www.capterra.com.sg/software/219685/microsoft-defender-for-office-365)
- [View Mailock Profile](https://www.capterra.com.sg/software/1014858/mailock)
- [View Original Comparison](https://www.capterra.com.sg/compare/219685/1014858/microsoft-defender-for-office-365/vs/mailock)

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