Remove copies from the server in Outlook



Click on File > Account Settings > Account Settings...

Locate your account and double-click to open its settings.

Click More Settings ...

In the Advanced tab, under Delivery, make sure the settings are as follows. This will maintain a copy on the server for 14 days after it has been retrieved by your Outlook program. A copy of all emails will remain stored locally on your computer, until fully deleted within Outlook.

Click OK.

Click Next. A test will be run to confirm your settings are correct. Once the test is complete, click Close, then click Finish on the following screen.