Clearing Cache in Outlook

Issue/Question

How do I clear the cache in Outlook?

Environment

  • Outlook 2019

Cause

Outlook is behaving erratically or auto complete functions are not working as intended. 

Resolution

  1. Close Outlook if it is open. 
  2. Open a new Windows File Explorer window. 
  3. Type the following path into the window:%localappdata%\Microsoft\Outlook.
  4. Press Enter.
  5. Open the folder titled RoamCache.
  6. Delete all the contents of this folder. 
  7. Close the window. 
  8. Reopen Outlook. 
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