Open Device Manager - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Change screen brightness in Windows - Microsoft Support
Get steps for how to change screen brightness in Windows.
在 Microsoft Teams 中邀请人员参加会议 - Microsoft 支持
会议前. 在 Teams 日历中，安排或编辑会议时，请使用 “添加所需与会者 ”或 “添加可选与会者 ”框搜索和邀请人员。 然后，可使用“日程安排助理”查看人员的空闲时间。 有关详细信息，请参阅 安排会议。. 还可以安排 Teams 会议并从 Outlook 邀请人员。
Applies To:
Microsoft Teams
Create a PivotTable to analyze worksheet data - Microsoft Support
Learn how to use PivotTable in Excel to calculate, summarize, and analyze data, revealing hidden patterns and trends.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Recall an email message that you sent in Outlook
How to recall and/or replace an email message you sent by using Microsoft 365 and your built-in Exchange Server account.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, Outlook.com, New Outlook for Windows
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
Download Internet Explorer 11 (Offline installer) - Microsoft Support
To download the offline installer for Internet Explorer 11, choose your language and system below.
Use the Office offline installer - Microsoft Support
Use the Office offline installer to install Office 2016 or Office 2013 if you don't have an active Internet connection or you're having problems with slow speed or unreliable connections.
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin
Reset a forgotten Microsoft account password
Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.
Applies To:
Microsoft account dashboard
Getting ready for the Windows 11 upgrade - Microsoft Support
Learn how to get ready for the Windows 11 upgrade, from making sure your device can run Windows 11 to backing up your files and installing Windows 11.