Accessing Microsoft Teams for Education using school or organizational credentials
Repair the Microsoft Teams app in Windows 11, and if Repair does not restore the account-selection button, reset the app to clear its local state.
Repair or reset Teams
- Fully close Teams:
- Right-click the Teams icon in the notification area near the clock.
- Select Quit.
- Open Start → Settings → Apps → Installed apps.
- Find Microsoft Teams (work or school).
- Select the three dots (…) → Advanced options.
- Select Repair.
- Open Teams and select the account again.
- If it remains unresponsive, return to the same page and select Reset, then reopen Teams and sign in.
Windows recommends trying Repair first and Reset if Repair does not resolve the app problem.^1^ This also matches a reported Windows 11 student-account case where clicking the account in Teams did nothing.^2^
Determine whether the problem is the app or school account
After resetting, open the Teams website and sign in with the same Microsoft 365 school account. Teams supports signing in through either the Windows application or the web.^3^
- Web sign-in works: The account is accessible, and the issue is limited to the Windows client. Use Teams on the web temporarily. If resetting did not help, uninstall Teams from Settings → Apps → Installed apps, restart Windows, and reinstall Teams.
- Web sign-in also fails: Record the complete error message or status code and contact your school’s IT administrator. Microsoft notes that organization account, domain, authentication-policy, and licensing issues may require administrator action.^4^
If Teams displays a status code in the lower-left corner, include that code when contacting the administrator. For example, 0xCAA20004 requires an administrator to review Microsoft Entra ID policies, while several 0xCAA7... or 0xCAA82... codes indicate network, proxy, firewall, or name-resolution problems.^4^
References
- [Windows 11](https://support.microsoft.com/windows/apps/repair-apps-and-programs-in-windows#summary)
- Issue Logging into Microsoft Teams with Student Account - Microsoft Q&A
- [Desktop](https://support.microsoft.com/teams/meetings/how-to-log-in-to-microsoft-teams)
- Why am I having trouble signing in to Microsoft Teams? | Microsoft Support