Introduction
This article explains how to clear a cached email address (autocomplete addresses) in Outlook for Windows.
Instructions
- Select File.
![](CCS%20Outlook%20File%20Tab.pngx)
- In the left menu pane, select Options.
![In the bottom left of the screen](CCS%20Outlook%20Options.pngx)
- In the left menu pane, select Mail.
![](CCS%20Outlook%20Mail%20Tab.pngx)
- Scroll down to the Send messages heading.
- Click Empty Auto-Complete List.
![](CCS%20Outlook%20Empty%20Auto-Complete%20List.pngx)
- To confirm deleting all autocomplete entries, click Yes.
![](CCS%20Outlook%20Confirm%20Auto-Complete%20Empty.pngx)
- Click OK to close the Outlook Options window.
- Update the Outlook address book.
- Select File.
![](CCS%20Outlook%20File%20Tab.pngx)
- Click Account Settings.
![](CCS%20Outlook%20Account%20Settings%20Dropdown.pngx)
- From the drop-down list, select Download Address Book....
![](CCS%20Outlook%20Download%20Address%20Book.pngx)
- Place a check next to Download changes since last Send/Receive.
![](CCS%20M365%20Outlook%20Desktop%20-%20Offline%20Address%20Book%20Download.pngx)
- Click OK. A progress window will automatically open and close when the process is complete.
![](CCS%20M365%20Outlook%20Desktop%20-%20Offline%20Address%20Book%20OK.pngx)
If a distribution list contains an Exchange user's previous email address, delete the incorrect email address and then add the correct email address.
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