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Sign in to SharePoint - Microsoft Support
SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.
Applies To: SharePoint in Microsoft 365
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
If you already redeemed a product key, you're simply reinstalling the apps, or you know you have an assigned license through work or school, you can skip ahead and go to the section sign in to download and install Microsoft 365 or Office.
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
Set File Explorer to open to This PC instead of Quick Access
Search and find your relevant files from your PC and the cloud much faster than with This PC. If you’d rather have File Explorer open to This PC, on the ribbon, select See more > Options > Open File Explorer to:. Then select This PC > Apply . You can change how File Explorer opens.
Xbox Status | Xbox Support
Did this resolve your issue? Check the Xbox services, games, and apps for any service outages.
Fix sound or audio problems in Windows - Microsoft Support
1. Check your speaker output. 2. Run the audio troubleshooter. 3. Verify that all Windows Updates are installed. 4. Check your cables, plugs, jacks, volume, speaker, and headphone connections. 5. Check sound settings. 6. Fix your audio drivers. 7. Set your audio device as the default device. 8. Turn off audio enhancements. 9. Restart Audio Services
Screen mirroring and projecting to your PC or wireless display
Fix connections to wireless displays or docks in Windows. Learn how to screen mirror or project content from one device to another.
Share SharePoint files or folders - Microsoft Support
When you share files and folders, you can decide whether to let people edit or just view them. You can see who a SharePoint file is shared with, and stop sharing SharePoint files or folders, or change permissions, at any time. Notes: To share OneDrive files and folders, check out Share OneDrive files and folders.
Applies To: SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, 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, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet
Request a refund for digital games | Xbox Support
Find out how to submit a request for a refund for a purchase of digital Xbox content.
Fix Bluetooth problems in Windows - Microsoft Support
If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.
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