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.
Excel help & learning
Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.
Resolving Blue Screen errors in Windows - Microsoft Support
Resolve Windows blue screen errors with tips and resources to do your own troubleshooting, or contact the Microsoft support if you need more help.
How to correct a #N/A error in the VLOOKUP function
Correct the #N/A errorin the VLOOKUP function. INDEX and MATCH offers more flexibility with matches. INDEX and MATCH can find an exact match, or a value that is greater or lesser than the lookup value.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel for Windows Phone 10
End of support for Cortana - Microsoft Support
Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
Add or invite people outside your org to a chat in Microsoft Teams
With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.
Applies To: Microsoft Teams
Create and apply a custom number format - Microsoft Support
Learn how to create and apply a custom number format in Excel based on an existing format and add it to the list of custom formats.
Applies To: Excel for Microsoft 365 for Mac, Excel 2021 for Mac, Excel 2019 for Mac
Troubleshooting tips for installing and updating Microsoft Edge
Here’s how to reinstall Microsoft Edge whether you’re a Windows or Mac user: Open any working browser. (Note: If you’re a Windows user and your Microsoft Edge is not currently functioning, to open Internet Explorer, type IE in the search box on the taskbar and then select Internet Explorer from the results.Or press the Windows logo key on your keyboard and then type IE in the search bar.)
Get started with eye control in Windows - Microsoft Support
Under 1.Select the hardware, select Tobii EYETRACKING, and then under 2.Select Tobii device, select your device.The page content below the selection changes to show the details of the software package you need to install.
Remove specific prevalent malware with Windows Malicious Software ...
Microsoft generally releases the MSRT on a monthly cadence as part of Windows Update or as a standalone tool. (For exceptions, see Skipped releases.)Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families).For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.