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Microsoft アカウントに関連付けられているメール アドレスと電話番号は エイリアスと呼ばれ、同じ連絡先、オンライン ストレージ、サブスクリプション、アカウント設定を使用します。

Find PowerPoint help and training from Microsoft. Get answers to your questions, and learn from how-to articles and training videos for PowerPoint.

Why some files won't open in Internet Explorer. Internet Explorer uses add-ons such as Adobe Reader to view some files in the browser. If a file that needs an add-on won't open, you might have an older version of the add-on, which needs to be updated.

了解如何升级Windows 10 家庭版Windows 10 专业版访问更高级的安全性和网络功能。

OneDrive 内置在某些版本的 Windows 中，并且无法卸载。 但是可将其隐藏并停止同步过程，使其保持隐藏状态。 为此，请关闭所有 OneDrive 设置并从“文件资源管理器”中删除 OneDrive 文件夹。

Select Review activity to check for any unusual sign-in attempts on the Recent activity page.If you see account activity that you're sure wasn't yours, let us know and we can help secure your account—if it's in the Unusual activity section, you can expand the activity and select This wasn't me.If it's in the Recent activity section, you can expand the activity and select Secure your account.

在“产品信息”下，你将看到你的 Office 产品名，在某些情况下，还可看到完整的版本号。 1 - 产品名，例如 Microsoft 365 专业增强版或 Office 家庭和学生版。. 2 - 版本号，其中包括版本、 内部版本号和如“即点即用”或 Windows 应用商店等安装类型。

In addition to the File menu, you can turn this feature on or off right from the context menu of a One Drive or SharePoint-hosted Word, Excel, or PowerPoint document URL appearing in a Word, Excel, PowerPoint, or Outlook Windows application. The context menu also allows you to choose a one-time file open behavior for a specific link by using the Open With menu option.

了解如何在 Microsoft Edge 中启用 Adobe Flash。