Clear Outlook AutoComplete list
Use one of the following two methods to delete the AutoComplete list.
Method 1
- Open Outlook.
- On the File tab, select Options.
- Select the Mail tab.
- Under Send Messages, select Empty Auto-Complete List.
- Select Yes.
Method 2
- Start Outlook by using the /CleanAutoCompleteCache switch.
- Select Start, and then select Run.
- Type Outlook.exe /CleanAutoCompleteCache.
- Note: If Outlook is not installed in the default location, you must point to the path of Outlook.exe.