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Screen mirroring and projecting to your PC or wireless display
Cast to a Windows PC from another Windows PC. On the PC you'd like to project from, select Start > Settings > System > Projecting to this PC . Under Add the “Wireless Display” optional feature to project to this PC, select Optional features . Next to Add an optional feature, select View features, then enter “wireless display.”.
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
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. For Microsoft 365 Germany go to portal.office.de/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
Repair Outlook Data Files (.pst and .ost) - Microsoft Support
Repair an Outlook data file (.pst) file. Open SCANPST.EXE. Select Browse to select the Outlook Data File (.pst) you want to scan. If you need help locating your Outlook Data File, see Locating the Outlook Data Files. Note: By default, a new log file is created during the scan.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Fix Bluetooth problems in Windows - Microsoft Support
Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...
Open and run DxDiag.exe - Microsoft Support
Open and run DxDiag.exe. This tool is used to collect info about devices to help troubleshoot problems with DirectX sound and video. A support person might ask for this info, or you might post it in a forum when you ask for help. In Windows, select Start and enter dxdiag into the search box on the taskbar. Select dxdiag from the results. In the ...
Turn Windows Security on or off - Microsoft Support
When you get a new device and start up Windows 10 for the first time, the antivirus protection that comes installed with the device is your default security app.
Create installation media for Windows - Microsoft Support
To create installation media, go to the software download website, where you'll find step-by-step instructions. On that website, you can select a version of Windows and create your own installation media using either a USB flash drive or a DVD. To go directly to one of the versions, select one of these links: Windows 10 (Then select Download now.)
Create a recovery drive - Microsoft Support
Note: Recovery drives created and used on machines with the April 9, 2024 security update and the revocation policy applied may be impacted.For more, see KB5025885: How to manage the Windows Boot Manager revocations for Secure Boot changes associated with CVE-2023-24932.
Use Snipping Tool to capture screenshots - Microsoft Support
There are four ways to open Snipping Tool: Select the Start button, enter snipping tool, then select Snipping Tool from the results. Press Windows logo key + Shift + S for a static image snip. Press Print Screen ( PrtSc ) for a static image snip. Press Windows logo key + Shift + R for a video snip.
Use System Restore - Microsoft Support
Select the Start button, then type control panel in the search box next to the Start button on the taskbar and select Control Panel (Desktop app) from the results. Search Control Panel for Recovery, and select Recovery > Open System Restore > Next . Choose the restore point related to the problematic app, driver, or update, and then select Next ...