Microsoft Teams vs Signal

Microsoft Teams and Signal are both communication options. Here's how they compare on official platforms, features, and positioning — sourced from each vendor's own site, not from ratings or reviews.

Side-by-side summary

ComparingMicrosoft TeamsSignal

CategoryCommunicationCommunication

Alternatives tracked32

PlatformsWeb, Windows, macOS, iOS, AndroidWindows, macOS, Linux, iOS, Android

Best for Microsoft Teams

Segmented by Microsoft into small/medium business, enterprise, education, and individual use — organizations already invested in the Microsoft ecosystem.

Best for Signal

Individuals, journalists, and privacy-conscious users who need fully encrypted communication with no advertising or data collection.

Feature comparison

Every feature listed here comes directly from each vendor's own official site.

Microsoft Teams

Chat and channels integrating Loop, OneNote, and third-party apps
AI-powered meetings with real-time translation and insights
Teams Phone cloud calling
Copilot integration for meetings and workflows
Built-in security and encryption controls

Signal

End-to-end encryption by default for every message and call, powered by the open-source Signal Protocol
Voice and video calls with international support
Group chats for families, friends, and colleagues
Photo, video, GIF, and file sharing
Encrypted sticker packs with custom sticker creation
Voice messages
No advertisements or tracking mechanisms
Operated as a 501(c)(3) nonprofit funded by grants and donations, with no subscription fees

Pros and cons

Microsoft Teams

Pros

Chat and channels integrating Loop, OneNote, and third-party apps
AI-powered meetings with real-time translation and insights
Teams Phone cloud calling
Copilot integration for meetings and workflows
Built-in security and encryption controls

Cons

We don't publish a "cons" list for either product. No vendor's official site documents its own product's weaknesses, so there's no sourced basis for one — and we'd rather say that plainly than invent one.

Signal

Pros

End-to-end encryption by default for every message and call, powered by the open-source Signal Protocol
Voice and video calls with international support
Group chats for families, friends, and colleagues
Photo, video, GIF, and file sharing
Encrypted sticker packs with custom sticker creation
Voice messages
No advertisements or tracking mechanisms
Operated as a 501(c)(3) nonprofit funded by grants and donations, with no subscription fees

Cons

Key differences

Microsoft Teams lists Chat and channels integrating Loop, OneNote, and third-party apps, AI-powered meetings with real-time translation and insights, Teams Phone cloud calling, Copilot integration for meetings and workflows, Built-in security and encryption controls that Signal doesn't list.
Signal lists End-to-end encryption by default for every message and call, powered by the open-source Signal Protocol, Voice and video calls with international support, Group chats for families, friends, and colleagues, Photo, video, GIF, and file sharing, Encrypted sticker packs with custom sticker creation, Voice messages, No advertisements or tracking mechanisms, Operated as a 501(c)(3) nonprofit funded by grants and donations, with no subscription fees that Microsoft Teams doesn't list.
Microsoft Teams supports Web, which Signal doesn't list.
Signal supports Linux, which Microsoft Teams doesn't list.

Choose Microsoft Teams if…

Choose Microsoft Teams if this fits: Segmented by Microsoft into small/medium business, enterprise, education, and individual use — organizations already invested in the Microsoft ecosystem.

Choose Signal if…

Choose Signal if this fits: Individuals, journalists, and privacy-conscious users who need fully encrypted communication with no advertising or data collection.

Facts on this page are sourced from each vendor's official site (linked below), not from ratings or reviews. Products change — verify anything that matters to your decision directly on the vendor's own site before switching. See our Disclaimer and Sources Policy.