Microsoft Teams stores a local cache of images, chat data, and account tokens to load faster. Over time, that cache can get corrupted, and that is when the weird stuff starts: profile photos that never update, messages that will not send, endless login loops, or a spinner that never resolves. Clearing the Teams cache is the first fix Microsoft support will suggest, and it resolves a surprising share of issues.
The good news is that clearing the cache is safe. Your chats, files, and channels live in Microsoft's cloud, so nothing important is deleted. Here is the exact process for Windows, Mac, and mobile, plus what to try if the problem persists.
Is It Safe to Clear the Teams Cache?
Yes. The cache only holds temporary local copies of data. After clearing it, Teams re-downloads what it needs from the server. You may need to sign in again and the app may load slowly on first launch, but your messages, meetings, and files are untouched.
How to Clear the Teams Cache on Windows
- Fully quit Teams: right-click the Teams icon in the system tray and choose Quit.
- Press Windows key + R to open the Run dialog.
- For the new Teams app, type %userprofile%\AppData\Local\Packages\MSTeams_8wekyb3d8bbwe\LocalCache\Microsoft\MSTeams and press Enter.
- For classic Teams, type %appdata%\Microsoft\Teams instead.
- Select everything inside the folder and delete it.
- Restart Teams and sign in. The cache rebuilds automatically.
How to Clear the Teams Cache on Mac
- Quit Teams completely (right-click the dock icon and choose Quit).
- Open Finder, press Cmd + Shift + G, and go to ~/Library/Group Containers/UBF8T346G9.com.microsoft.teams.
- Move the contents to Trash. For classic Teams, also clear ~/Library/Application Support/Microsoft/Teams.
- Optionally open Keychain Access and delete saved Teams entries if you have login issues.
- Relaunch Teams and sign back in.
How to Clear Teams on Mobile
On Android, go to Settings, then Apps, then Teams, then Storage, and tap Clear cache. On iPhone, there is no direct cache button, so open the Teams app settings and use Clear app data, or simply delete and reinstall the app. Your account data is restored when you sign back in.
Never lose a meeting to a Teams glitch again
If Teams crashes mid-meeting, your notes don't have to go down with it. Notie records and transcribes meetings independently on your phone, then generates AI summaries with action items in 100+ languages. Keep Notie running as your safety net, free on iOS and Android.
Start for FreeStill Broken? Try These Next Steps
- Update Teams: many sync bugs are fixed in newer builds.
- Check Microsoft's service status: the problem may be on their end.
- Try the web app: if teams.microsoft.com works, the issue is local.
- Reinstall the app: a clean install replaces corrupted files the cache clear missed.
- Clear credentials: on Windows, remove old Teams entries from Credential Manager.
Protect Your Meeting Notes From App Failures
Cache corruption has a habit of striking five minutes before an important call. That is a strong argument for keeping your meeting record separate from the meeting platform. With an AI meeting assistant like Notie, the recording and live transcription happen on your phone, so a desktop app meltdown never costs you the conversation. Afterward, you can turn the audio into notes with an audio to text converter workflow or get an instant AI summary with decisions and action items.
Clearing the Teams cache takes about two minutes and fixes most login, sync, and display problems. Do it whenever Teams starts misbehaving, keep the app updated, and keep an independent record of the meetings that matter.
