使用系统还原. Windows 10. 当安装新应用、驱动程序或 Windows 更新以及当手动创建还原点时，会使用系统还原生成还原点。. 还原不会影响你的个人文件，但会删除生成还原点后所安装的应用、驱动程序和更新。. 若要回退到还原点：. 选择" 开始 "按钮，然后在任务 ...

Change your background during a meeting. In your meeting controls, select More actions > Effects and avatars . Select Blur to blur your background, or choose from the available images to replace it. To upload an image of your own, select Add new and pick a .JPG, .PNG, or .BMP file from your computer. To turn off background effects, select None.

可在演示文稿中添加幻灯片编号、备注页编号、讲义页编号以及日期和时间。 若要将日期和时间设置为特定的日期，请单击“固定”，然后在“固定”框中，键入期望的日期。 在演示文稿中设置日期，以便将日期“固定”，这样就可轻松跟踪最后一次对它所做的更改。

Under Important Updates, choose Install updates automatically, and under Microsoft Update check the Give me updates for Microsoft products and check for new optional Microsoft software when I update Windows box to get the Office updates.. Your IT department might set automatic updates for you. If they do, you'll see the message in the yellow bar, and you won't be able to use the Important ...

Start Microsoft Teams by doing one of the following: In Windows, select Start > Microsoft Corporation > Microsoft Teams. On Mac, open the Applications folder and select Microsoft Teams. On the web, go to https://teams.microsoft.com. Sign in with your Microsoft 365 username and password. Notes:

If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store. Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the ...

To get a basic free version of Microsoft Teams: Make sure you have a Microsoft account. If you’re using Skype, OneDrive, Outlook.com, or Xbox Live, then you already have an account, but if you don’t have one, it’s free to create a new Microsoft account. Sign up for Microsoft Teams for free. Enter the email you use for your Microsoft account.

Select the product you need help with. We'll show you self-help options first. Additional help is available if you need it, including live chat with a Microsoft specialist. Microsoft 365. Office. Windows. Xbox. Surface devices. Copilot.

The display language you select changes the default language used by Windows features, such as Settings and File Explorer. Select Start > Settings > Time & language > Language & region. Choose a language from the Windows display language menu, or, next to Preferred languages , select Add a language to install the one you want if it isn't listed ...

Incoming Mail Server Settings. These settings are for sending email to your email provider's mail server. Your incoming mail server name. The email address you want to set up. The port number your incoming mail server uses. Most use 143 or 993 for IMAP, or 110 or 995 for POP. This is your email provider.