Outlook Express is a different application from Microsoft outlook. Outlook Express was earlier known as Microsoft Internet Mail and News. Signing out in outlook is a simple process and the following steps can help to sign out in Outlook-
Step 1: The first step is open the outlook home page.
Step 2: After going to the home page you will see a lot of options select the “Sign out “option on the upper right top corner of the home page. And click on that.