Windows 帮助和学习
查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持,并了解安装、更新、隐私、安全等方面的信息。
VLOOKUP function - Microsoft Support
Argument name. Description. lookup_value (required). The value you want to look up. The value you want to look up must be in the first column of the range of cells you specify in the table_array argument. For example, if table-array spans cells B2:D7, then your lookup_value must be in column B.. Lookup_value can be a value or a reference to a cell.. table_array (required)
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2024, Excel 2024 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016
Account help & learning
Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.
Microsoft account security info & verification codes
Select Add a new way to sign in or verify then choose how you would like to receive security codes.
Applies To: Microsoft account dashboard
Phone Link help & learning
Introducing Microsoft Phone Link Our evolution of the former Your Phone app brings a new name to the user experience. With the new Phone Link on your Windows PC and the new Link to Windows app on your Android device, accessing your mobile apps and content has never been easier!
Find where your browser is saving downloads - Microsoft Support
To see where your browser is saving downloads, look in your browser's settings. For example, in the new Microsoft Edge , select Settings and more > Settings > Downloads .The file path for your downloaded files (for example, C:\Users\[your name]\Downloads) is listed under Location.. In Microsoft Edge Legacy , select Settings and more > Settings .
Share and collaborate in Word for Windows - Microsoft Support
With Word for the web, share your file with co-workers to start collaborating immediately. And whether you need to create, co-edit, or view your version history, work from anywhere with Word for the web, no matter where you are.
Applies To: Word for the web
Office 2021 and Office LTSC for Windows and Mac FAQ
No. Microsoft 365 is a subscription service that makes sure you always have the most up-to-date modern productivity tools. Microsoft 365 already has all the features that will be coming to Office 2021 and Office LTSC, including such features as real-time collaboration as well as other advanced productivity and security features not found in Office 2021 or Office LTSC.
Applies To: Office 2021, Office 2021 for Mac
Sign-in options in Windows - Microsoft Support
The sign-in options in Windows serve various purposes to enhance your user account security and sign in convenience. You can access the sign-in options from the Settings app.
OneDrive release notes - Microsoft Support
Note: If your version is newer than those listed below, it’s because there may be a delay between when versions start rolling out and when they are updated on this page.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Microsoft 365 admin, OneDrive (work or school), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet