Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

If you are trying to set up an Exchange account in Outlook, ask the organization that gave you the email address for the name of your Exchange server. It's standard for them to provide you with this information so you can add your email address to a computer or phone.

Repair broken Office app installations. Depends on your Office installation type (Click-to-run or MSI-based), you'll see the following options to proceed with the repair.

Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

Learn how to use the Settings app to view and change display settings in Windows.

Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.

Before you begin filling out the form. The steps below will help guide you when filling out the account recovery form. It can be a lengthy process as it's designed to ask questions about your account that only you can answer.

Get the steps for changing your home page in Microsoft Edge, Internet Explorer 11, Google Chrome, Firefox, and Safari.

Learn how to view your PC information on Windows with Microsoft Support's step-by-step guide.

You can insert a drop-down list of valid entries (also called a drop-down menu or drop-down box) in Excel to make data entry easier, or to limit entries to certain items that you define.