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Microsoft 365 vs Posteo

Microsoft 365
7.4/ 10
Higher score
PosteoIndie
8.5/ 10
Across 4 measured dimensions: Microsoft 365 wins 0, Posteo wins 2 (2 tie / n/a)
[01]

Side by side.

8 dimensions
MetricMicrosoft 365Posteo
Score
Winner: right
7.48.5
Δ 90 days
— flat— flat
Parent & badge
Winner: right
Microsoft Corp.
IndependentIndie
Founded
20112009
Best for
Corporate folks needing rock-solid emailprivacy-first email without the fluff
Price per mo
Winner: right
$6.00/ mo$1.10/ mo
Renewal multiplier
——
Tagline
Outlook + Exchange + Office, billed by the seat forever€1/month ethical mail — no custom domain, ever
[02]

What works, what doesn't.

Per provider
Microsoft 3654 pros · 4 cons
+ Pros
  • ✓Exchange features still unmatched
  • ✓Desktop Office with Standard plan
  • ✓Strong compliance features
  • ✓Solid IT support community
– Cons
  • ✗Admin center is a maze
  • ✗Constant pricing/SKU changes
  • ✗Prices hiked in 2024
  • ✗New Outlook broke workflows
Posteo4 pros · 4 cons
+ Pros
  • ✓Flat €1/month, all included
  • ✓Accepts anonymous cash payment
  • ✓Runs on 100% renewable energy
  • ✓Strong privacy stance with PGP-in-browser
– Cons
  • ✗No custom domain support, ever
  • ✗Must use @posteo.* address
  • ✗Extra storage costs more
  • ✗No mobile app, needs IMAP client
Make the call

Pick one and go.

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

VisitMicrosoft 365 ↗Score 7.4VisitPosteo ↗Score 8.5
← Read full Microsoft 365 review·Read full Posteo review →
[03]

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