First and foremost, if restarting the computer logs you out, the culprit might be your browser clearing out the saved passwords. Adjusting the settings can help retain login details, and to do so, ...
XDA Developers on MSN

Sign out of Outlook the right way

When I started using Outlook to view all my email accounts in one place, I didn’t realize that signing out would be so tricky ...
Since Gmail is directly linked to your Google account, it is essential to sign out of Gmail every time you log in to a shared laptop/ PC. This is because the other person could gain complete control ...
If your device is not visible or showing on the Microsoft Account page, re-sign in and refresh the page. If that doesn't work ...
To sign out of iCloud on all of your devices, you'll need to head to iCloud's website. You can make all of your devices sign out of iCloud at once, or sign out of ...