Clear Outlook Cache – BEMO Docs

Microsoft Outlook stores files you've used so that it can easily access them again. These files are known as cached files and can be safely deleted.

Delete the Outlook Cache

Removing the cache in Outlook doesn't delete emails, contacts, or other useful information.

Save any work and close Outlook.

Press Windows key+R.

In the Run dialog box, enter %localappdata%\Microsoft\Outlook and press Enter.

Double-click the RoamCache folder to view the cache files.

To delete the cache files, Select all files. Right-click the highlighted files and select Delete.

Outlook automatically makes new cache files when you open Outlook.

Clear Auto-Complete Cache

If you only want to clear the auto-complete cache, either turn off auto-complete so the cached data doesn't display or delete the auto-complete cache completely.

Go to the File tab and choose Options.
In the Outlook Options dialog box, select the Mail tab.
Scroll down to Send messages section. Clear the 'Use Auto-Complete List to suggest names when typing in the To, Cc, and Bcc lines'.
If you want to clear the auto-complete cache, select Empty Auto-Complete List. In the confirmation dialog box, select Yes.
In the Outlook Options dialog box, select OK.

Delete the Outlook Cache

Clear Auto-Complete Cache

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