Find out how to submit a request for a refund for a purchase of digital Xbox content.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Change two-step verification settings; Common problems with two-step verification for work or school accounts; Manage app passwords for two-step verification

Si vous ne parvenez pas à vous connecter à votre compte de messagerie Outlook.com, Hotmail, Live ou MSN, ou si vous ne savez pas comment vous connecter ou vous déconnecter, voici quelques solutions.

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

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.

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to change or reset your Windows password if you've forgotten or lost it.

Get tips for how to set up and test microphones in Windows.

Learn how to upgrade Windows 10 Home to Windows 10 Pro to access more advanced security and networking features.