Join a meeting without an account in Microsoft Teams
Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.
Applies To:
Microsoft Teams
View, manage, and install add-ins for Excel, PowerPoint, and Word ...
Explore your options and settings when you install add-ins.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel for the web, Word for the web, PowerPoint for the web, Excel 2021, Word 2021, PowerPoint 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
Remove malware from your Windows PC - Microsoft Support
Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.
Applies To:
OneDrive (home or personal), OneDrive for Windows
My camera isn't working in Microsoft Teams - Microsoft Support
Check your drivers. When your camera isn't working in Windows 10 (or if you're using an external webcam), it might be a problem with your drivers.
Applies To:
Microsoft Teams
Start your PC in safe mode in Windows - Microsoft Support
Find out how to boot into safe mode in Windows from Settings, the sign-in screen, and a black or blank screen.
Use Smart charging in Windows - Microsoft Support
Learn how Smart charging in Windows can help your battery last longer over time.
Restore or reset Surface for Windows - Microsoft Support
If you're having problems with your Surface Pro model, Surface 3, Surface Studio, or Surface Book, try fresh start, restoring, refreshing, or resetting it to its factory settings.
Reset OneDrive - Microsoft Support
Resetting Microsoft OneDrive can sometimes resolve sync issues. Follow the steps to reset your OneDrive.
Applies To:
OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows
Troubleshoot Surface Type Cover or Keyboard - Microsoft Support
There are some solutions you can try. First steps if your Surface Type Cover or Keyboard doesn't work. To try to resolve these issues, you can begin by following the steps below to get the latest updates, detach the Type cover or keyboard, force a restart, reattach the Type Cover or Keyboard, or confirm connectivity.. Get the latest updates
32-bit and 64-bit Windows: Frequently asked questions
Here are answers to some common questions about the 32-bit and 64-bit versions of Windows.