Manage drive space with Storage Sense - Microsoft Support
How to use Storage Sense to free up hard drive space on your Windows device.
Trusted documents - Microsoft Support
Find out how to make your documents more secure and avoid unwanted changes with trusted documents in Microsoft Office.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, 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
Print in Microsoft Edge - Microsoft Support
Learn more about how to print web pages and documents in Microsoft Edge.
COUNTIFS function - Microsoft Support
How to use the COUNTIFS function in Excel to apply criteria to cells, across multiple ranges, and count the number of times all criteria are met.
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 Web App
Use your Windows PC as a mobile hotspot - Microsoft Support
Learn how to use your Windows PC as a mobile hotspot. Turn your Windows PC into a mobile hotspot by sharing your internet connection with other devices over Wi-Fi.
Excel file is locked for editing - Microsoft Support
Tip: Sometimes a file may get locked if everyone editing isn't using a version that supports co-authoring.To co-author together, make sure everyone is using the Microsoft 365 subscription version of Excel or Excel for the web.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
About Genuine Windows - Microsoft Support
Find answers to common questions about genuine Windows software.
October 5, 2021, update for Outlook 2016 (KB5001998)
This article describes update 5001998 for Microsoft Outlook 2016 that was released on October 5, 2021. Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016.
Hide or show rows or columns - Microsoft Support
How to hide and unhide columns and rows in an Excel worksheet. Restrict access to only the data you want to be seen or printed.
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