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Microsoft 365 vs Tuta

Microsoft 365
7.4/ 10
Higher score
TutaIndie
8.7/ 10
Across 4 measured dimensions: Microsoft 365 wins 0, Tuta wins 2 (2 tie / n/a)
[01]

Side by side.

8 dimensions
MetricMicrosoft 365Tuta
Score
Winner: right
7.48.7
Δ 90 days
— flat— flat
Parent & badge
Winner: right
Microsoft Corp.
IndependentIndie
Founded
20112011
Best for
Businesses that need Exchange features and desktop OfficeUsers who want fully open-source E2E mail with calendar encryption
Price per mo
Winner: right
$6.00/ mo$3.60/ mo
Renewal multiplier
——
Tagline
Outlook + Exchange + Office, billed by the seat foreverGerman E2E mail, FOSS clients, no IMAP
[02]

What works, what doesn't.

Per provider
Microsoft 3654 pros · 4 cons
+ Pros
  • ✓Exchange features still unmatched for corporate mail
  • ✓Desktop Office included on Standard
  • ✓Strong compliance/eDiscovery features
  • ✓Wide IT support ecosystem
– Cons
  • ✗Admin center sprawl is genuinely terrible
  • ✗Pricing/SKU structure changes constantly
  • ✗2024 price hikes plus Copilot bundling
  • ✗New Outlook regressed long-standing workflows
Tuta4 pros · 4 cons
+ Pros
  • ✓Subject lines and calendar fully encrypted
  • ✓FOSS clients on all platforms
  • ✓Quantum-resistant encryption (2024)
  • ✓Aggressive free tier
– Cons
  • ✗No IMAP/SMTP — proprietary protocol only
  • ✗Migration in from other providers is clunky
  • ✗Search is limited on encrypted mail
  • ✗Smaller ecosystem than Proton
Make the call

Pick one and go.

Both links are affiliate. Score doesn't move because of it.

VisitMicrosoft 365 ↗Score 7.4VisitTuta ↗Score 8.7
← Read full Microsoft 365 review·Read full Tuta review →
[03]

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