Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
If this is the first time you're installing Microsoft 365 or Office, you may have to complete a set of pre-installation steps or you may need to follow different steps than what's shown below.
Applies To: Office 2024, Office 2024 for Mac, Office 2021, Office 2021 for Mac, Office 2019, 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
Troubleshoot Windows Media Player Errors - Microsoft Support
Repair or reset Windows Media Player: If Windows Media Player is not working properly, you can try to repair or reset it to its default settings.To do this, Select Start > Settings > Apps > Installed Apps.. Scroll down and click the three horizontal dots next to Windows Media Player and choose Advanced options, and click the Repair or Reset button. Note that resetting Windows Media Player will ...
Using tags in Microsoft Teams
You can now choose who can use team, channel, and group @mentions. Choose whether to use shift-based tags: To use shift-based tags, in the Settings tab, go to Tags and turn on the Shifts toggle.. To learn more about Shifts settings, see Manage settings in Shifts.. Choose whether team members can use automatic tags:
Applies To: Microsoft Teams
Microsoft Edge help & learning
Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.
Skype for Business help - Microsoft Support
Make and receive calls using Skype for Business. Set call forwarding options. Edit phone number. Start a Skype for Business conference call. Make and receive a Skype for Business video call
Applies To: Skype for Business, Skype for Business Basic, Skype for Business for Mac, Skype for Business Online
Codecs in Media Player - Microsoft Support
Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.
KB5012170: Security update for Secure Boot DBX - Microsoft Support
Issue. Next step. If BitLocker Group Policy Configure TPM platform validation profile for native UEFI firmware configurations is enabled and PCR7 is selected by policy, it may result in the update failing to install.. To view the PCR7 binding status, run the Microsoft System Information (Msinfo32.exe) tool with administrative permissions.
Manage background activity for apps in Windows - Microsoft Support
On the settings page for that app, change the setting for Let this app run in the background.Here’s a summary of each option: Always: The app is always allowed to run in the background—receive info, send notifications, and stay up to date—even when you’re not actively using it. However, it might use more power as a result.
Use a proxy server in Windows - Microsoft Support
If you don’t want to use the proxy server when you visit certain websites, enter the ending of the website address in the exception list (for example, *.contoso.com). For multiple websites, type each website address and separate the addresses with a semicolon (for example: *.contoso.com; *.adatum.com).The * is a wildcard so any website addresses that end with the website address listed will ...
Sign in to SharePoint - Microsoft Support
In the upper left corner of the window, select the app launcher > SharePoint Tip: If you don't see the SharePoint app after selecting the app launcher, you can find it by either selecting More apps, or using the Search box near the top of the window to search for SharePoint.
Applies To: SharePoint in Microsoft 365