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重新安裝 Windows - Microsoft 支援服務
使用安裝媒體重新安裝Windows 11. 將您建立的安裝媒體連接到電腦並重新安裝Windows 11。. 開啟 [檔案總管] ,並選取包含安裝媒體的磁碟機。. 在磁碟機的根目錄中,按兩下 setup.exe,然後在系統詢問您是否允許應用程式對您的裝置進行變更時,選取 [是] 。. 選取 ...
IF function – nested formulas and avoiding pitfalls
The IF function allows you to make a logical comparison between a value and what you expect by testing for a condition and returning a result if True or False. So an IF statement can have two results. The first result is if your comparison is True, the second if your comparison is False. IF statements are incredibly robust, and form the basis ...
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
Sum values based on multiple conditions - Microsoft Support
The first step is to specify the location of the numbers: =SUMIFS (D2:D11, In other words, you want the formula to sum numbers in that column if they meet the conditions. That cell range is the first argument in this formula—the first piece of data that the function requires as input. Next, you want to find data that meets two conditions, so ...
适用于: Microsoft 365 专属 Excel, Excel 网页版, Excel 2021, Excel 2019, Excel 2016
Créer un support d’installation pour Windows - Support Microsoft
Pour créer un support d’installation, accédez au site web de téléchargement du logiciel, sur lequel vous trouverez des instructions détaillées. Sur ce site web, vous pouvez choisir une version de Windows et créer votre propre support d’installation à l’aide d’un disque mémoire flash USB ou d’un DVD. Pour accéder directement ...
Uninstall Office automatically - Microsoft Support
Download the automated tool. In the lower-lower left corner right-click SetupProd_OffScrub.exe > Open. Select the version you want to uninstall, and then select Next. Follow through the remaining screens and when prompted, restart your computer. After you restart your computer, the uninstall tool automatically re-opens to complete the final ...
Reinstall Windows - Microsoft Support
Select Create installation media (USB flash drive, DVD, or ISO file) for another PC, and then select Next. Choose a language, edition, and architecture (64-bit or 32-bit), and then select Next. Select USB flash drive, and then select Next. Follow the steps to create installation media, and then select Finish.
Unlink and re-link OneDrive - Microsoft Support
Unlink your OneDrive account. Select the OneDrive cloud in your notification area to show the OneDrive pop-up. Select the OneDrive Help and Settings icon then select Settings. Go to the Account tab. Select Unlink this PC.
适用于: OneDrive for Business, OneDrive (工作或学校), OneDrive (家庭或个人), 由世纪互联运营的 OneDrive (工作或学校), OneDrive for Mac, Windows 版 OneDrive
Reactivating Windows after a hardware change - Microsoft Support
Prepare your Windows 11 device for a hardware change. First, follow these steps to find out if Windows 11 is already activated. Select the Start button, then select Settings > System > Activation . Open Activation settings. If you're not activated, complete the activation process with the steps you see on the Activation page.
Contact Us - Microsoft Support
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.
Find my downloads in Windows 10 - Microsoft Support
To find downloads on your PC: Select File Explorer from the taskbar, or press the Windows logo key + E.