If you can't find a file on your computer or you accidently modified or deleted a file, you can restore it from a backup (if you're using Windows backup) or you can try to restore it from a previous version.Previous versions are copies of files and folders that Windows automatically saves as part of a restore point.

Tip: If you're already in Word for the web, get to the letter templates by going to File > New, and then below the template images click More on Office.com. You'll be on the Templates for Word page. In the list of categories, click Letters.

In Outlook, you have the option to: Attach a file | Upload a locally saved file to your OneDrive | Insert a picture into the body of a message | Attach an email item | Solve problems with attachments. Attach a file to an email message in new Outlook. New Outlook keeps track of the files you have worked on recently and suggests them whenever you decide you want to attach a file to an email message.

Windows 11 in S mode is designed for security and performance, exclusively running apps from the Microsoft Store. If you want to install an app that isn't available in the Microsoft Store, you'll need to switch out of S mode.

了解如何通过电脑的 UEFI (或 BIOS) 启用虚拟化，以运行适用于 Android 的 Windows 子系统或适用于 Linux 的 Windows 子系统。 基于 UEFI (或 BIOS) 的说明 如果你的电脑制造商未列出，或者你不确定它是谁，你可以找到你的 UEFI (或 BIOS) 的说明。

Select Add a printer or scanner.. Wait for it to find nearby scanners, then choose the one you want to use and select Add device.

Office 網頁版程式是大部分 Microsoft 365 方案的一部分。 您可以按一下文件，或在文件庫中使用三點 [開啟功能表]，在瀏覽器中開啟 Word、Excel、PowerPoint、OneNote 和 PDF 檔案。 Outlook 附件和 Lync Web App 會議記錄也會在 Office 網頁版中開啟。

Enter your email, phone number, or Skype sign-in that you use for other services (Outlook, Excel, etc.), then select Next.

Note: You might not be able to change the power mode when a custom power plan is selected.If you can’t set the power mode in Power & battery settings, open Control Panel, select System and Security > Power Options, then choose a Balanced power plan.

获取有关如何修复 Windows 中的屏幕闪烁问题的提示。 Windows 中的屏幕闪烁问题通常是由显示驱动程序导致的。 若要更新显示驱动程序，需要在安全模式下启动电脑、卸载当前的显示适配器，然后检查驱动程序更新。