Head-to-head · Team Communication
Microsoft Teams vs Rocket.Chat
Which one to pick in 2026 — comparing 🇺🇸 Microsoft Teams with the European alternative 🇪🇺 Rocket.Chat on the things that actually decide who can read your data.
🇺🇸 Microsoft Teamsvs🇪🇺 Rocket.Chat
Verdict
Who has stronger privacy guarantees by law?
Rocket.Chat — GDPR-native and outside the US CLOUD Act / FISA 702 reach.
Which one encrypts your data end-to-end by default?
Rocket.Chat ships E2E encryption by default. Microsoft Teams does not.
Which one tracks you for ads?
Neither monetises through ad tracking.
Which one is open source?
Rocket.Chat is open source. Microsoft Teams is proprietary.
Side-by-side
Microsoft Teams vs Rocket.Chat — full comparison
Criteria
🇪🇺 Rocket.Chat
🇺🇸 Microsoft Teams
Headquarters
DE ops
Redmond, USA
Jurisdiction
EU self-host
USA
Data location
EU se self-hosted
Global
GDPR-native
Yes
No
CLOUD Act / FISA exposed
No
Yes
Ad tracking
No
No
End-to-end encryption
Yes
No
Open source
Yes
No
Ownership
Rocket.Chat Tech Corp.
Microsoft Corp.
Founded
2015
2017
Make the switch
Try Rocket.Chat instead of Microsoft Teams
Comunicação open-source
Other European alternatives to Microsoft Teams