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)。

Add additional privacy protection to email messages with encryption.

使用“初始化电脑”可以对 Windows 进行全新重装和更新，同时使个人数据和大部分 Windows 设置保持原样。 在某些情况下，干净安装可能会改善设备的性能、安全性、浏览体验和电池寿命。

In Word, you can choose to paste text using the formatting of the source, destination, or just pure text. If you always want one of the options, set it as the default for pasted text.

If you've forgotten your password and know the email address for your Microsoft account, you can reset your password online by verifying your identity using other information.

Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.

Windows Explorer is now called File Explorer in Windows 10. By pressing submit, your feedback will be used to improve Microsoft products and services.

Compose a message now, but schedule it to be sent later.

Training: Use rules to organize your email in Outlook. Create a rule based on a message, or from a template. Watch this online video to learn how.

Explore tips to change your Microsoft Teams background. Learn how to replace, blur, or change your Teams background image before or during a meeting.