Learn how to retrieve a forgotten username or password for your Office for home or Office for business account.

Access, download, or run the Surface app and the Surface Diagnostic Toolkit to help find and solve Surface problems.

Help to fix install errors for Office, such as "can’t install Office", "something went wrong" or situations where install hangs or activation fails.

Contact Microsoft Office Support for assistance with Microsoft 365, Office, Windows, Xbox, Surface products and more.

Learn how to insert ASCII or Unicode characters using character codes or the Character Map.

Discover how to earn Microsoft Rewards points through various activities and redeem them for exciting rewards.

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

An icon is added to the right of your Address bar, letting you sign in and customize the extension. To change your My Apps portal using the extension

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

Create decorative effects using WordArt or convert existing text to WordArt and customize with fill color, outline color, and effects.