Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Xbox Game Pass Ultimate includes all Game Pass benefits, including more than 100 high-quality console and PC games. New games are added all the time, so there’s always something new to play.

使用している Office のバージョンを確認する方法について説明します。 Office アプリの製品名とバージョン番号を見つけます。

If your camera is unable to capture the QR code, you can manually add your account information to the Microsoft Authenticator app for two-factor verification.

PC が TPM 2.0 を実行できるかどうかを確認する方法、または TPM 2.0 を有効にして Windows 11 にアップグレードする方法について説明します。

How to use the SUMIFS function in Excel, one of Excel’s math and trig functions, to add arguments that meet multiple criteria.

Learn how to use digital signatures, digital IDs, and signature lines in Microsoft 365 files, such as Word, Excel, and PowerPoint.

Try it! OneDrive gives you one place to store, share, and sync your work or school files. As part of your organization's Microsoft 365 subscription, or SharePoint Server, you can save your files in OneDrive and then work with them from almost any device.

Use date and time functions to create formulas that return serial numbers, display a specific date or time, or that calculate the difference between dates or times.

How to create a checklist in Word that can be filled out by using checkbox controls.