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Windows sign-in options and account protection - Microsoft Support
Learn how to access and manage your Windows sign in options. Use a password, Windows Hello, or a security key to unlock your device.
View display settings in Windows - Microsoft Support
Learn how to use the Settings app to view and change display settings in Windows.
VLOOKUP function - Microsoft Support
Learn how to use function VLOOKUP in Excel to find data in a table or range by row. Our step-by-step guide makes vlookup in excel easy and efficient.
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
Which version of Windows operating system am I running?
Learn how to find which version of Windows operating system your PC is running and device specifications.
Share and access a view-only calendar in Outlook
Share your calendar in an email. If you don't want to give someone permissions to share your calendar and see updates, you can email a static copy of your calendar for a specific date range.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 admin, Outlook on the web, New Outlook for Windows
Install and use a scanner in Windows 10 - Microsoft Support
Learn how to install a scanner and use it to scan pictures and documents in Windows 10.
Fix OneDrive sync problems - Microsoft Support
Learn how to fix common OneDrive personal or OneDrive for Business sync problems.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Office 365 Small Business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Mac, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business
Share OneDrive files and folders - Microsoft Support
Use OneDrive as a cloud backup to share your files and folders with others. Learn how to control permissions, allow editing, or set expiration dates.
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 Enterprise, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, OneDrive (work or school), OneDrive (home or personal), SharePoint in Microsoft 365 Small Business
Fix microphone problems - Microsoft Support
If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.
What's new in Office 2021 - Microsoft Support
Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.
Applies To: Office 2021, Office 2021 for Mac