How To Repair Microsoft Teams Not Openinh

How To Articles

I experienced a problem with Microsoft Teams, as it was not functioning on my computer. As someone who heavily depends on this collaboration tool for work, I felt frustrated and determined to find a solution. After dedicating time to troubleshoot and conduct research, I successfully fixed the issue. In this article, I will outline the steps I took to fix Microsoft Teams when it failed to open for me.

Checking for Updates

The first thing I did was to check for updates for Microsoft Teams. Sometimes, outdated software can cause compatibility issues and prevent the program from opening properly. To check for updates, follow these steps:

  1. Open Microsoft Teams
  2. Click on your profile picture at the top-right corner of the screen
  3. Select “Check for updates”
  4. If any updates are available, click “Update”
  5. Wait for the updates to be installed
  6. Restart Microsoft Teams

After updating Microsoft Teams, I attempted to open the program again. If you are still experiencing issues, don’t worry! There are more troubleshooting steps to try.

Clearing Cache and App Data

Clearing the cache and app data for Microsoft Teams can help resolve issues related to corrupted or conflicting files. Here’s how you can do it:

  1. Close Microsoft Teams completely
  2. Press the Windows key + R on your keyboard to open the Run dialog box
  3. Type “%appdata%” (without quotes) and press Enter
  4. Locate the folder named “Microsoft Teams” and delete it
  5. Press the Windows key + R again
  6. Type “%localappdata%” (without quotes) and press Enter
  7. Delete the folder named “Microsoft Teams”
  8. Restart your computer
  9. Open Microsoft Teams

After clearing the cache and app data, I launched Microsoft Teams again. In most cases, this step resolves the issue. However, if you are still unable to open Microsoft Teams, there are a few more steps to try.

Reinstalling Microsoft Teams

If all else fails, reinstalling Microsoft Teams may be necessary. Here’s how you can do it:

  1. Close Microsoft Teams completely
  2. Press the Windows key + R on your keyboard
  3. Type “appwiz.cpl” (without quotes) and press Enter
  4. Locate Microsoft Teams in the list of installed programs
  5. Right-click on Microsoft Teams and select Uninstall
  6. Follow the prompts to uninstall Microsoft Teams
  7. Visit the official Microsoft Teams website
  8. Download the latest version of Microsoft Teams
  9. Run the installer and follow the prompts to install Microsoft Teams
  10. Restart your computer

After reinstalling Microsoft Teams, I was able to open the program without any issues. If you have followed all the steps above and are still encountering problems, it may be helpful to reach out to Microsoft support for further assistance.


Repairing Microsoft Teams when it’s not opening can be a frustrating experience, but by following the steps outlined in this article, I was able to resolve the issue. Remember to check for updates, clear the cache and app data, and reinstall the program if necessary. Hopefully, these troubleshooting steps will help you get Microsoft Teams up and running again in no time.