How to perform a clean boot in Windows - Microsoft Support
How to determine what is causing the problem after you do a clean boot. If your problem does not occur while the computer is in a clean boot environment, then you can determine which startup application or service is causing the problem by systematically turning them on or off and restarting the computer.
Keyboard shortcuts for Microsoft Teams - Microsoft Support
Note: If you're using the default app bar configuration in the Microsoft Teams desktop app, use the commands in the table below.If you've changed the order of your apps or added additional apps, the command depends on the app's sequential order on the app bar. For example, if you've moved Calendar to the top of the app bar, press Ctrl+1 to open it, not Ctrl+4.
Applies To: Microsoft Teams
Create a system repair disc - Microsoft Support
In the left pane, click Create a system repair disc, and then follow the steps. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
Use the Tasks app in Teams - Microsoft Support
List view. A unique feature of the Tasks app how it displays tasks and information associated with them in rows and columns. This is called List view, and allows you to change many tasks at once, which wasn't as possible in either To Do or Planner before.
Applies To: Microsoft Planner, Microsoft Teams, Microsoft To Do
Use live captions in Microsoft Teams meetings
Learn how to enable live captions in Teams meetings and see real-time subtitles for what's said. Improve your accessibility and comprehension.
Applies To: Microsoft Teams
Advanced startup options (including safe mode) - Microsoft Support
The Advanced Boot Options screen lets you start Windows in advanced troubleshooting modes. You can access the menu by turning on your computer and pressing the F8 key before Windows starts.
Protect yourself from tech support scams - Microsoft Support
The classic cold-call scam. The scammers call you and claim to be from the tech support team of Microsoft or another company. They offer to help solve your computer "problems".
Enforcements | Xbox Support
Find out how to submit a case review and learn more about your Xbox enforcements.
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features.
Returning items you bought from Microsoft for exchange or refund
Digital goods like apps, games, add-on content, subscriptions, movies, TV shows, and books aren't returnable unless the offer for applicable law states that you're eligible for a refund.
Applies To: Microsoft account dashboard