When you enable an add-in, it adds custom commands and new features to Microsoft 365 programs that help increase your productivity. Because add-ins can be used by attackers to do harm to your computer, you can use add-in security settings to help protect yourself.

Windows 11 automatically downloads and installs updates to make sure your device is secure and up to date. This means you receive the latest fixes and security updates, helping your device run efficiently and stay protected.

Learn how to open and run DxDiag.exe on Windows to collect device information and troubleshoot DirectX sound and video issues.

This article applies to Office Home & Business, Office Professional, and individually purchased Office apps. To switch an Office install to or from Microsoft 365, see Switch your Office license.. Change the product key for your version

If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store.Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

To zip (compress) files. In the search box on the taskbar, type file explorer, and then select it from the list of results.Right-click the file you want to zip, and then select Send to > Compressed (zipped) folder.. To decompress files. Open File Explorer and find the compressed folder.

Invisible digital signatures in Word, Excel, or PowerPoint. An invisible digital signature, like a visible digital signature line, assures the authenticity, integrity, and origin of a document.

Om du vill ha support i Outlook.com klickar du här eller välj Hjälp på menyraden och anger frågan. Om självhjälpen inte löser problemet rullar du ned till Behöver du fortfarande hjälp? och välj Ja.. Om du vill kontakta oss på Outlook.com måste du logga in. Om du inte kan logga in klickar du här.. Om du vill ha mer hjälp med ditt Microsoft-konto och prenumerationer går du till ...

Microsoft added OAuth support for Yahoo! accounts in the Windows 10 Creators update. To install the Creators Update now, go to the software download site, and select Update now.For more information about Windows updates, see Get the latest Windows update.. If you have a Japanese Yahoo! email account, you'll need to do the following:

Under Ways to sign in , you have three choices to sign in with Windows Hello:. Select Facial recognition (Windows Hello) to set up facial recognition sign-in with your PC's infrared camera or an external infrared camera