Hi @Peggy Laureys
Welcome to our forum!
According to machine translation, are you getting this error when you log in to your Outlook account?
If you are experiencing this issue while logging into Outlook, please try the following possible solutions:
- Logging out and logging in to the 365 accounts, e.g. in Outlook.
- Clear OneAuth and IdentityCache Folders. (Close Outlook.>>Navigate to the Microsoft folder in your user profile.>>Cut the OneAuth and IdentityCache folders and paste them onto your desktop.>>Relaunch Outlook and sign in.)
- Reinstall or Repair Office.Go to Control Panel > Programs > Programs and Features.>Find Microsoft Office in the list, right-click, and select Change.>Choose Repair and follow the prompts.
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