How to use the IF function (combined with the AND, OR, and NOT functions) in Excel to make logical comparisons between given values.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.

Hotmail ist jetzt Outlook.com. Erfahren Sie, wie Sie sich anmelden, um auf Ihr Outlook.com-, Hotmail-, Live- oder MSN-E-Mail-Konto zuzugreifen.

Check the Xbox services, games, and apps for any service outages.

If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

Learn how to switch out of S mode to install apps from outside of the Microsoft Store or to upgrade to Windows 11.

If you’ve forgotten your Microsoft account password, learn how to do a password reset online or by using your Xbox console.

How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.