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Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Microsoft 365 help & learning
Get Microsoft 365 support, help, and learning resources. Organize your life, expand your creativity, and protect what’s important with Microsoft 365.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Microsoft 365 for Mac, Microsoft 365 for Windows
Add an email account to Outlook - Microsoft Support
Add an email account. Open Outlook and select File > Add Account. If you haven't launched Outlook before, you'll see a welcome screen. Enter your email address and select Connect. If your screen looks different, enter your name, email address, and password, and select Next. If prompted, enter your password and select OK.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Microsoft Teams (free) - Microsoft Support
Contact us. For more help, contact support or ask a question in the Microsoft Teams Community. Get started with Microsoft Teams (free). Explore your options, find out what’s new, browse help topics, and more.
Applies To: Microsoft Teams, Microsoft Teams personal, Microsoft Teams small business
COUNTA function - Microsoft Support
Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data. Data. 39790. 19. 22.24. TRUE. #DIV/0! Formula.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Check the recent sign-in activity for your Microsoft account
Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Check the recent sign-in activity for your Microsoft account if you get an email about unusual activity.
Applies To: Microsoft account dashboard
Welcome to the MSN home page - Microsoft Support
Welcome to the MSN home page. MSN. The new MSN website brings you the best in online information and is uniquely yours across the different devices you might use throughout your day. You can stay connected to the best of our services in order to complete your daily tasks and you can customize and organize your home page to suit your interests.
About Windows backup and sync settings - Microsoft Support
Turn on Windows backup. To turn on Windows backup and choose your backup settings, select Start > Settings > Accounts > Windows backup. Open Windows backup settings. The following items can be backed up: OneDrive folder syncing. Turn on OneDrive folder syncing to start backing up your files and folders right from Settings.
Applies To: Microsoft account dashboard
Undo, redo, or repeat an action - Microsoft Support
To redo something you've undone, press Ctrl+Y or F4. (If F4 doesn't seem to work, you may need to press the F-Lock key or Fn Key, then F4) on your keyboard, or select Redo on the Quick Access toolbar. (The Redo button only appears after you've undone an action.) Note: For more information about the Quick Access Toolbar, see Customize the Quick ...
Applies To: Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016
KB5033560:Windows 恢复环境更新 (WinRE) :2023 年 11 月 30 日
此更新解决了安装 2023 年 10 月 10 日 - KB5031358 (OS 内部版本 22000.2538) 或更高版本的 Windows 更新后可能无法访问 Windows 恢复环境 (WinRE) 的问题。. 在运行 Windows 11 版本 21H1 的计算机上使用 Windows 更新 时,可能会出现此问题。. 重要说明. 某些计算机的恢复分区可能 ...