Slack vs. Teams

scratch.md

Category	Slack (✅ Pros / ❌ Cons)	Microsoft Teams (✅ Pros / ❌ Cons)
Cost	❌ Additional cost (not included in MS365)	✅ Included in MS365 (no extra cost)
User Experience (UX)	✅ Clean, intuitive interface; especially good for tech teams	❌ Clunky, can be confusing or slow for new users
Integrations	✅ Best-in-class third-party app ecosystem (GitHub, GCP, etc.)	❌ Weaker support for some third-party integrations
MS365 Integration	❌ Limited integration with Outlook, OneDrive, SharePoint	✅ Deep integration with Office, Outlook, SharePoint
Chat Features	✅ Flexible channels, threads, Slackbot, emojis, reminders	✅ Threads and channels, but can feel rigid; ❌ less flexible customizability
Search	✅ Fast, powerful, fine-grained search	❌ Slower, less intuitive search experience
Video/Meetings	❌ No built-in rich video calling (Huddles are basic)	✅ Full-featured meetings, screenshare, recordings built-in
Document Collaboration	❌ Must link to external tools for co-editing	✅ Seamless real-time co-editing of Word, Excel, etc.
Cross-org Collaboration	✅ Shared channels with external vendors and partners	✅ Also supports guest access; ❌ shared channels are clunkier
Notifications & Control	✅ Fine-tuned notification settings	❌ More rigid, sometimes too noisy or too quiet
Mobile/Desktop Apps	✅ Fast and reliable on all platforms	✅ Available, but can be slower or heavier
Onboarding Time	✅ Faster to onboard non-Microsoft users	❌ Slower for people not used to Microsoft ecosystem
Scalability (future-proofing)	✅ Scales well, especially in dev/startup environments	✅ Scales well, especially in MS-centric environments