Add or subtract dates - Microsoft Support
Add or subtract days, months, or years from a date by using a formula or date functions in Excel.
Applies To:
Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Manage background activity for apps in Windows
Learn how to manage background activity for apps to help save battery power in Windows.
SUMIFS function - Microsoft Support
How to use the SUMIFS function in Excel, one of Excel’s math and trig functions, to add arguments that meet multiple criteria.
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
Sign in to SharePoint - Microsoft Support
In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.
Applies To:
SharePoint in Microsoft 365
Organize favorites in Microsoft Edge - Microsoft Support
Learn how to organize your favorites in Microsoft Edge. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
How to install programs from a disc on Windows 10
See how to install programs on Windows 10 from a CD or DVD, from the internet, or from Microsoft Store.
Install Visio or access Visio for the web - Microsoft Support
See how to install Visio 2013 and 2016 and Visio Pro for Microsoft 365.
Applies To:
Visio Plan 2, Visio Professional 2021, Visio Standard 2021, Visio Professional 2019, Visio Standard 2019, Visio Professional 2016, Visio Standard 2016, Office for business, Office 365 Small Business, Microsoft 365 admin
Use the web version of Outlook like a desktop app
Use Outlook in the new Microsoft Edge. In Microsoft Edge, sign in to your Outlook on the web or Outlook.com account.
Applies To:
Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Outlook on the web, Outlook.com, Outlook on the web for Exchange Server 2019
Microsoft Teams help & learning
Get help with your questions about Microsoft Teams from our how-to articles, tutorials, and support content.
About the Microsoft Support and Recovery Assistant
Learn how to download Microsoft Support and Recovery Assistant to help fix problems with Microsoft 365, Office, or Outlook.
Applies To:
Outlook for Microsoft 365, Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Microsoft 365 admin