From the main Outlook window, choose File in the upper left corner of the screen. to remove an account, follow these steps Give permissions to all users who are allowed to use this app.

Select Account Settings from the File menu. Select the account you want to use as your default. Set it as your preferred option by selecting Set as Default from the drop-down menu. Close window.

In Outlook, go to File Account Settings Manage Profiles. Select Show Profiles from the drop-down menu. After that, choose a profile and click Remove.

Select the account you want to delete and hit Remove. Click Yes and OK in the new dialog box that appears.

Open the Microsoft Outlook program. Select “Settings from the menu. Select the account you wish to delete and then click Delete Account. To finish, click Delete.