How to clear Outlook AutoComplete cache: 12 steps

This article will show you how to clear the Outlook AutoComplete cache on Windows and macOS computers. In this case, Outlook will not display matches when you enter the contact's name.

Steps

Method 1 of 2: On Windows

Step 1. Start Outlook

Double-click the blue and white envelope with a white O.

Step 2. Click File

It's an option in the upper-left side of the Outlook window. A pop-up window will appear.

Step 3. Click on Options

You will find this option in the middle of the popup. The Outlook preferences page will open.

Step 4. Click the Mail tab

It's in the upper left corner of the settings page.

Step 5. Scroll down and tap Clear AutoComplete List

This button is on the right side of the window.

Step 6. Click Yes when prompted

All autocomplete entries will be removed.

To prevent Outlook from using the AutoComplete list, clear the Use AutoComplete list to suggest names check box in the Send Messages section of your mail options

Method 2 of 2: macOS

Step 1. Start Outlook

Double-click the blue and white envelope with a white O.

Step 2. Hold Control and click on Inbox.

You will find your Inbox in the upper left side of the Home tab. A menu will open.

Step 3. Click Settings

It's at the bottom of the menu. A window with the Inbox settings will open.

Step 4. Click the General tab

It's in the upper-left corner of the Inbox settings window.

Step 5. Click Clear Cache

You will find this button on the right side of the window.

Step 6. Click Clear Cache if prompted

All autocomplete entries will be removed.

Advice

To delete individual autocomplete entries, enter the person's name and in the list that opens, click on the "X" to the right of the name