How to delete old email IDs from auto-complete list in Outlook

Some of you may not know this, but the Outlook app in Office 365 comes with an auto-complete feature. But not everyone knows how to remove unwanted emails from the list, or even how to turn off this feature completely. It can be quite annoying because several users of the app have been complaining as of late about the need to remove certain addresses from the list, or everything overall. Now, we have been looking into this issue for quite some time, and thankfully, we were able to come up with a way to solve the problem.

Barely days ago, we found something that appears to work quite well. In fact, it worked for us, so hopefully, the same procedures can also work wonders for you.

Delete old email IDs from the auto-complete list in Outlook

The Outlook app’s auto-complete feature is important as it lets you see old email addresses you’ve used in the drop-down, but it can be a bit annoying at times.

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Remove individual addresses
Turn off the Auto-Complete List
Delete all entries from the Auto-Complete List

Turn off the Auto-Complete List

If you’re annoyed with the auto-complete feature, then you can turn it off. To do this, go to File > Options > Mail. Under the “Send messages” section, clear the “Use Auto-Complete List to suggest names when typing in the To, Cc, and Bcc lines” check box.

Delete all entries from the Auto-Complete List

Clear the auto-complete list It is possible to clear everything from the auto-complete list in the Outlook app, but not so in the Mail app at the time of writing. To delete all entries, go to File > Options > Mail. Now, under Send messages, choose Empty Auto-Complete List.

If you want to do this in the Mail app, then Microsoft has yet to provide an official way to do it. Nevertheless, subscribe to us, and no doubt we will update you when this is possible.