Learn how to locate your Microsoft Office product key, which allows you to activate and use your Office products without requiring a Microsoft account.

How to sign in to Outlook on the web, access your email, contacts, and calendar.

Configure cameras In Camera settings, you can set default settings for each camera. The settings are stored for each camera and each user account—they don't synchronize between multiple Windows devices.

How to use conditional formatting in Excel to visually explore, analyze, and identify patterns and trends.

Internet Explorer 11 support ended on June 15, 2022. If any site you visit needs Internet Explorer 11, you can open it with Internet Explorer mode in Microsoft Edge.

Learn how to get Windows Media Player 12 for Windows 10, Windows 8.1, and Windows 7.

Wenn Sie Ihre Hardware geändert haben, um ein Upgrade auf Windows 11 durchzuführen und das System die Änderung nicht rechtzeitig erkennt, wird in diesem Artikel erläutert, wie Sie die Bewertung manuell initiieren.

Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.

Find answers to frequently asked questions about Office 2021 and Office LTSC for Windows and Mac on the official support page.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.