Set up the Microsoft Authenticator app from the Security info page. Depending on your organization’s settings, you might be able to use an authentication app as one of your security info methods.

If you cannot open your Outlook data file or suspect that the file is damaged, use the Inbox Repair tool (scanpst.exe) to repair errors in the file.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

If you need help with Outlook.com, you can read our self-help content, or get support via email.

On the Change your password page, enter your current password and then enter your new password. For additional security, select the optional checkbox which prompts you to update your password every 72 days.

Master the art of Excel formulas with our comprehensive guide. Learn how to perform calculations, manipulate cell contents, and test conditions with ease.

Learn how to shut down, sleep, or hibernate your PC. When you’re ready to make your PC sleep, just press the power button on your desktop, tablet, or laptop, or close your laptop’s lid.

Learn how to unlock your Microsoft account and resolve 'account has been locked' error message.

Here are some answers to the frequently asked questions about the OneDrive desktop app for Windows.