Windows Media Playerは、Windows ベースのデバイスで使用できます。 この表で、お使いのシステムに適した Player のバージョンをご確認ください (Mac をご使用の場合は、Windows Media Components for QuickTime をダウンロードすることで、Windows Media ファイルを再生できます)。

Find out how Microsoft uses activity history data to provide personalized cross-device experiences and to help improve its products and services.

Windows backup and sync settings sync the settings you choose across all your Windows devices that you've signed in to with your Microsoft account.

Create a simple formula to multiply and divide in an Excel spreadsheet. You can multiply two or more numbers in one cell or multiply and divide numbers using cell references. All formulas in Excel begin with an equal sign (=).

Training: Learn how to use Outlook in Windows, MacOS, iOS or Android, and Outlook on the web through a series of Outlook training courses.

Add a delivery and return address to a single envelope, set printer options, adjust for envelope size, and save or print.

Before you can set up G Suite Gmail in Outlook, first sign in to the Google Admin console and confirm a few settings. In G Suite, make sure Calendar, Directory, Drive and Docs, and Gmail are ON for everyone.

Improve security, evaluate and mitigate the risks of running macros, and see how to enable or disable macros for Microsoft 365.

Copilot in Word ushers in a new era of writing, leveraging the power of AI. Check out this article to learn more.

Learn how to find the serial number on your Surface so you can register your product or request service.