With the help of this method, you don’t have to go through the hassle of clearing auto-complete store manually.
Now, type “ Outlook.exe /CleanAutoCompleteCache” in the field and hit “ Ok.”.
Press “ Window + R” to start the “ Run” command.
Method 2: This method includes the use of cmd command to start Outlook, and then clear the Auto-complete store. This is the easiest way to clear the Auto-complete store.
A notification window will appear on the screen to confirm your action.
Now, select the “ Mail” tab, go to “ Send Messages” area and click “ Empty Auto-Complete list.”.
Open Outlook and go to the “ File” tab and select “ Options.”.
Method 1: The first method includes clearing the Auto-complete store through the Outlook app. Below we have mentioned each method in detail. Now, there are different ways to clear the Auto-complete store of Outlook. This error can only be resolved by clearing the Outlook Auto-complete store. One of the main reasons behind this error could be a corrupted address in the Auto-Complete store. If you’ve ever faced “ AutoComplete doesn’t save email addresses” error in Outlook, then you might know how annoying it is to get rid of it. “Whenever I restart Outlook, the AutoComplete cache is completely empty again.” – John Mavic reported a complaint on Microsoft forums.