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Outlook vs Proton Mail: Which Blocks Trackers Better?

Discover how Switzerland's Proton Mail compares to the US's Outlook in safeguarding your inbox from intrusive email tracking. Choose wisely for your privacy.

Last updated: February 19, 2026Reviewed by Built in EU Team

Should You Switch to Proton Mail?

What You Gain

Enhanced privacy and data protection with Proton Mail

Privacy advantage
Trade-offs

Loss of integrated calendar and task management features

Outlook has more features
Bottom Line

Privacy-focused users should switch; feature-heavy users may hesitate

At a Glance

Data Location
🇺🇸US

US data laws

🇨🇭CH

GDPR protected

Pricing

Outlook

Contact

Proton Mail

freemium

Migration
Medium difficulty~1-2 hours

Privacy & Compliance Comparison

Critical data sovereignty factors at a glance

CriteriaOutlookProton Mail
Server Location
US, EU (optional)CH
GDPR Compliance
Partial (SCCs)Full
Open Source
E2E Encryption
Enterprise onlyAll plans
Data Portability
Full exportFull export

CLOUD Act Notice

Outlook is a US company and must comply with CLOUD Act data requests, even for data stored in EU data centers. Proton Mail is not subject to US jurisdiction.

Switching from
Outlook logo

Outlook

🇺🇸

Microsoft

VS
Switching to
Proton Mail logo

Proton Mail

🇨🇭

5.0 (1)
US Data Storage

Data subject to US CLOUD Act and may be accessed by US authorities

EU Data Protection

Data protected under GDPR with EU-only data residency

Certifications & Compliance

No certifications listed

EU-hosted
EU-Based
Open Source
GDPR Compliant
Swiss hosted

Reasons to Switch

  • Swiss servers ensure strong data protection laws
  • End-to-end encryption secures all email content
  • Open source code allows for transparency checks
  • GDPR compliance ensures data privacy standards

Things to Consider

  • !No integrated calendar or task management
  • !Migration from Outlook can be time-consuming
  • !Learning curve for users new to Proton Mail
Migration difficulty:
Medium
~1-2 hours

Migration Overview

Full guide
Difficulty
Medium
Time Estimate
~1-2 hours

Depends on data size and complexity

Quick Steps

1

Create Proton Mail account and configure settings

2

Export and prepare data from Outlook

3

Import data, test integrations, and migrate users

Note: Switching may require users to adapt to Proton Mail's privacy-focused features.

Other alternatives to Outlook

Ready to make the switch?

Start using Proton Mail today and take control of your data privacy.