Microsoft 365 provides powerful tools to help organize you and your family's lives. Empower you and your family through the Microsoft 365 Family subscription and learn how to create family calendars, share notes with a family notebook on OneDrive, and connect with your family on Microsoft Teams.

You can add columns, rows, or cells to an Excel worksheet or delete them. Columns insert to the left, rows above, and cells above or to the left.

Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.

Learn how to use Azure Authenticator with Microsoft 365. It makes 2-step verification really easy!

Hier erfahren Sie, wie Sie sich bei Outlook im Web anmelden und auf Ihre E-Mails, Kontakte und Kalender zugreifen.

Download printer drivers. If your printer isn't responding, you may need to remove it and reinstall it so Windows can download and install the proper drivers.

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 ...

检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。

To change your current theme in Outlook or Access, you can either switch to a different one or create a new theme altogether.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.