Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Uninstall or remove apps and programs in Windows
Uninstall or remove apps and programs in Windows. There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled.
Activate Office - Microsoft Support
Be sure to sign in using the Microsoft account, or work or school account, that you used to buy or subscribe to Microsoft 365. Note: If Microsoft 365 came pre-installed on your new device, see Activate Office that's pre-installed on a new Windows device.
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Microsoft 365 admin, Project for Office 365
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn. For Microsoft 365 Germany go to portal.office.de. This completes the download of Microsoft 365 to your device. To complete the installation, follow the prompts in the "Install Microsoft 365" section below.
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Look up values with VLOOKUP, INDEX, or MATCH - Microsoft Support
The VLOOKUP and HLOOKUP functions, together with INDEX and MATCH,  are some of the most useful functions in Excel. Note: The Lookup Wizard feature is no longer available in Excel. Here's an example of how to use VLOOKUP. =VLOOKUP (B2,C2:E7,3,TRUE) In this example, B2 is the first argument —an element of data that the function needs to work.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
为什么要求你征求家长同意 | Xbox Support
在访问 Xbox 网络之前,可能会要求征得家长许可,有两个主要原因:. 内容限制– 你或你的一位 Xbox 家庭组成员的出生日期设置为未满的年龄(例如,在美国为 18 岁或韩国为 19 岁),并且由于年龄限制,无法访问你尝试启动的内容。. 创建帐户- 你正在尝试创建 ...
Create installation media for Windows - Microsoft Support
You can use installation media (a USB flash drive or DVD) to install a new copy of Windows, perform a clean installation, or reinstall Windows. To create installation media, go to the software download website, where you'll find step-by-step instructions.
适用于电脑的游戏服务修复工具 | Xbox Support
查看此处以了解我们当前正在跟踪的已知游戏问题,并了解可以对其执行的操作。. 如果在电脑上安装或更新游戏服务时遇到问题,或者你注意到电脑版 Xbox 应用启动时缺少内容,则可能需要下载并运行适用于电脑的游戏服务修复工具。. 注意 在某些情况下,你 ...
How to sign in to Hotmail - Microsoft Support
Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.
Applies To: Outlook.com
为子女帐户授予家长许可 | Xbox Support
为子女帐户授予家长许可. 根据你的区域,可能需要组织者的权限才能为 Xbox 家庭组创建子女帐户。. 在开始之前,请确保已创建一个 Microsoft 帐户作为组织者,并且已设置 Xbox 家庭组,以便可以将孩子添加为成员:. 在 Xbox 上创建家庭组的好处. 注意 新建子女 ...
How to check if your device meets Windows 11 system requirements after ...
Installing Windows 11 on devices that don't meet minimum system requirements. If you changed your hardware in order to upgrade to Windows 11 and the system is not recognizing the change in a timely manner, this article explains how to initiate the assessment manually.