Learn about Teams, SharePoint and OneDrive, and what to use when, for team collaboration and file storage.

Device encryption helps protect your data and it's available on a wide range of Windows devices.

Training: With OneDrive, you can sync files between your computer and the cloud, so you can get to them from anywhere.

The CONCAT function combines the text from multiple ranges and/or strings, but it doesn't provide delimiter or IgnoreEmpty arguments.

An array formula (one that spans multiple cells) can do calculations on rows and columns of cells where you might otherwise need to use several formulas. For example, you can count the number of characters that are contained in a range of cells, sum only numbers that meet certain conditions (such as the lowest values in a range or numbers that fall between an upper and lower boundary), and sum ...

Découvrez comment installer Office 2013 sur PC ou Office pour Mac 2011.

Learn how to enable Adobe Flash in Microsoft Edge. By pressing submit, your feedback will be used to improve Microsoft products and services.

Learn how to utilize Windows Security's virus and threat protection features to scan for threats and review results on your device.

Learn how to redeem a Microsoft/Xbox gift card or other code on your mobile device, Windows device, or Xbox console.

About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.