You can repair Office if its applications won't open or repeatedly give error messages when you start them. This will not impact your files and folders, i.e. your data will remain intact.

  1. Please make sure you save everything and close all applications
  2. Click on Start – type Add or remove programs and open this once it is found as a result
  3. Find “Microsoft 365 Apps” in the list
  4. Select it and click Modify
  5. Accept Yes if you are prompted to confirm to proceed
  6. Choose the second option for Online Repair and click the Repair button

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