This article tells you how to add email accounts to the Mail and Calendar apps so you can start sending and receiving email and creating and managing events.

Get a brief explanation about logging on as an administrator and making changes to other user accounts on your computer.

[設定] の [Windows Update] ページにアクセスするための推奨オプションなど、Windows 11 をインストールする方法をご覧ください。

Shrink the OS partition and prepare the disk for a new recovery partition. To shrink the OS, run diskpart

Training: Get up to speed in minutes, quickly refer to things you’ve learned, and master keyboard shortcuts with these handy cheat sheets for Microsoft Office.

Learn how to use Clipchamp to create, edit, and share your own custom videos.

Learn how to design professional-looking presentations with Microsoft 365. Create high quality, customized slides in a few clicks with PowerPoint Designer.

The IFS function checks whether one or more conditions are met and returns a value that corresponds to the first TRUE condition. IFS will allow you to include up to 127 pairs of conditions (the test if something is True and the result if something is true). IFS can take the place of multiple nested IF statements.

Learn what you can do if you're not receiving account aign-in verification codes.

即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：