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Redeem a gift card or code to your Microsoft account
How to redeem a gift card, Xbox download code or token. Both Microsoft and Xbox gift cards and download codes and tokens work the same way: once redeemed to your Microsoft account, you can spend your balance at Microsoft Store online, on Windows or Xbox, and you can get downloads for the latest apps, games, movies, TV shows, and Surface, Xbox, and accessories.
适用于: Microsoft 帐户仪表板
Back up your Windows PC - Microsoft Support
First, launch Windows Backup: select Start , type windows backup, and select Windows Backup from the results. (Or you can select Start > All apps > Windows Backup .) Then select Folders to drop it down, and select which of your user folders you want to back up to OneDrive: You can back up your Desktop, Documents, Pictures, Videos, and Music ...
Finding your BitLocker recovery key in Windows - Microsoft Support
Where can I find my BitLocker recovery key? BitLocker likely ensured that a recovery key was safely backed up prior to activating protection. There are several places that your recovery key may be, depending on the choice that was made when activating BitLocker:
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 ...
AND 和 OR 函数最多可支持 255 个单独条件,但并不建议使用多个条件,因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式:. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0,并且 B2 (75 ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
Introducing Microsoft Phone Link and Link to Windows
The Link to Windows app is preinstalled on select Samsung, HONOR, Surface Duo, and OPPO devices that are running Android 9.0 or later. On such devices, you can find the Link to Windows app under the Quick Settings menu by swiping down from the top of your screen. For all other Android devices running Android 7.0 or later, download the new Link ...
Add a printer or scanner in Windows - Microsoft Support
To connect a wireless printer, follow these steps: Select Start > Settings > Bluetooth & devices > Printers & scanners . Open Printers & scanners settings. Next to Add a printer or scanner, select Add device. Wait for it to find nearby printers, then locate the one you want to use, and select Add device. If you want to remove the printer later ...
Getting ready for the Windows 11 upgrade - Microsoft Support
To check if Windows 11 is ready for your device, go to Start > Settings > Update & Security > Windows Update and select Check for updates. If the upgrade is available for your device and you want to proceed, download and install it. Note: Downloading and installing Windows 11 will most likely take longer than a typical Windows 10 feature update.
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Microsoft Edge 中的键盘快捷方式 - Microsoft 支持
Edge for Windows Edge for Mac. 键盘快捷方式是指按键或按键组合,可提供另一种方式来执行通常使用鼠标执行的操作。. 下面是适用于 新版 Microsoft Edge 和 Microsoft Edge for Mac 的列表。. Windows Mac. 按此键. 执行此操作. Ctrl + Shift + B. 显示或隐藏收藏夹栏. Alt + Shift + B.
Install Quick Assist - Microsoft Support
For the best experience, download and install the new version of the Quick Assist app from Microsoft Store. If you have problems installing Quick Assist, here are some steps to try to get it installed and working properly.