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Microsoft Support
Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
From the Microsoft 365 home page select Install apps. Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account.
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
INDEX function - Microsoft Support
=SUM(INDEX(A1:C11, 0, 3, 1)) The sum of the third column in the first area of the range A1:C11, which is the sum of C1:C11. 216 =SUM(B2:INDEX(A2:C6, 5, 2)) The sum of the range starting at B2, and ending at the intersection of the fifth row and the second column of the range A2:A6, which is the sum of B2:B6. 2.42. Top of Page. See Also.
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
Fix problems that block programs from being installed or removed ...
The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs. It also fixes corrupted registry keys. First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open.
Change the email address or phone number for your Microsoft account
For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn how to change Microsoft account email address or phone number using aliases to sign into your Microsoft account.
Applies To: Microsoft account dashboard
Protect a document with a password - Microsoft Support
It may be possible for your IT admins to help with password recovery, but only if they had implemented the DocRecrypt tool before you created the document password. Go to File > Info > Protect Document > Encrypt with Password. Type a password, press OK, type it again and press OK to confirm it. Save the file to make sure the password takes effect.
Applies To: Word for Microsoft 365, Word for Microsoft 365 for Mac, Word for the web, Word 2021, Word 2021 for Mac, Word 2019, Word 2019 for Mac, Word 2016
What is Photos Legacy? - Microsoft Support
Photos Legacy is the app for Microsoft’s Legacy Collections, Albums, and Video Editor. Be empowered to do more with your photos and videos. You can view, edit, compare, create albums, and make movies of your special memories easily. You can use the filmstrip to locate and jump to another photo while staying immersed in the experience.
Restore deleted files or folders in OneDrive - Microsoft Support
If you accidentally delete a file or folder in OneDrive, you may be able to recover it later from the OneDrive recycle bin.. For info about restoring a SharePoint file or folder, see how to restore items from the SharePoint recycle bin.For info about restoring SharePoint files stored in OneDrive, see Restore a previous version of a file in OneDrive.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Use To Do app to manage Tasks in Outlook - Microsoft Support
You now have the option to specify your preferred experience for managing tasks in Outlook for Windows. There are a few different ways to configure this option. Navigate to File > Options > Tasks, then select Open tasks in the To Do app. You can switch back to Outlook tasks at any time by unchecking the setting.
Applies To: Outlook for Microsoft 365, New Outlook for Windows
Use a link or code to join a team in Microsoft Teams
Use a code. Select Teams on the left side of the app, then select Create and join teams and channels at the top of your teams list. Select Join team. Under Join a team with a code, type or paste the code in the Enter join code box and then select Join Team. Notes: If you're a team owner, you can get a link or a code to send to someone.
Applies To: Microsoft Teams