Find out how to set up and manage your security info and verification codes for your Microsoft account, and troubleshoot common issues.

Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

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.

Lists all Excel functions by their category, such as Logical functions or Text functions.

There are many ways to shut down your PC—you can turn the PC off completely, you can make it sleep, or you can hibernate the PC.

To import a text file, you can open the file or import the text file as an external data range. To export a text file, use the Save As command.

Probieren Sie diese Lösungen aus, wenn Sie sich nicht bei Ihrem Outlook.com-, Hotmail-, Live- oder MSN-E-Mail-Konto anmelden können oder nicht sicher sind, wie Sie sich an- oder abmelden.

Learn more about how to find all your apps and programs in the all new Windows Start menu.

Learn how the Photos app for Windows lets you view photos and videos from your PC alongside those from OneDrive, and keeps them organized by date, album, or folder.

Find out how to request a replacement for your Xbox controller.