忘れた場合や紛失した場合に Windows パスワードを変更またはリセットする方法について説明します。

Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.

Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.

Learn how to set an out of office status message in the Teams mobile app using our step-by-step guide. It's a great way to let your colleagues know your availability.

How to find and remove duplicates in Excel. Filter for unique values in large or small datasets to clean up your worksheets and workbooks.

Learn how to change the refresh rate for your display in Windows to determine how smoothly motion appears on your screen.

To change startup behavior, select On startup, and then select what you want Microsoft Edge to display on startup.

Need help with an Xbox console, an Xbox game, or Xbox network? Find out how to get in touch with us.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.