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Office 2021 and Office LTSC for Windows and Mac FAQ
Find answers to frequently asked questions about Office 2021 and Office LTSC for Windows and Mac on the official support page.
Applies To: Office 2021, Office 2021 for Mac
Troubleshoot Outlook for Windows issues - Microsoft Support
Important: Steps may be different between new and classic Outlook for Windows. To determine which version of Outlook you're using, look for File on the ribbon.If there's no File option, follow the steps under the New Outlook tab. If the File option appears, select the tab for Classic Outlook.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013, New Outlook for Windows
Use Snipping Tool to capture screenshots - Microsoft Support
Learn how to use Snipping Tool to capture a screenshot, or snip, of any object on your screen, and then annotate, save, or share the image.
激活 Windows - Microsoft 支持
了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态,以及链接Microsoft 帐户。
如何安装最新版本的 DirectX - Microsoft 支持
本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。
Change your browser home page - Microsoft Support
Get the steps for changing your home page in Microsoft Edge, Internet Explorer 11, Google Chrome, Firefox, and Safari.
Find and install your Microsoft downloads from Microsoft Store
Learn how to find and install digital downloads from Microsoft Store. See instructions to download and install software directly purchased from Microsoft.
Applies To: Microsoft account dashboard
Install Project - Microsoft Support
See how to install Project 2013 and 2016 and Project Pro for Office 365.
Applies To: Project Online Desktop Client, Project Professional 2021, Project Standard 2021, Project Professional 2019, Project Standard 2019, Project Professional 2016, Project Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin, Project for Office 365
Find and open File Explorer - Microsoft Support
Find and open File Explorer in Windows 10 and Windows 11, and customize Quick access by pinning and removing files and folders.
Change the email address or phone number for your Microsoft account
Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.
Applies To: Microsoft account dashboard