Learn how to set up your user account for multifactor authentication with Microsoft 365.

Learn what PivotTable and PivotCharts are, how you can use them to summarize and analyze your data in Excel, and become familiar with the PivotTable- and PivotChart-specific elements and terms.

The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Website notifications appear in the lower right corner of your screen and are also displayed in the Notification Center.When notifications are turned on for a website, they will still appear even if Microsoft Edge is closed.

See how to install Project 2013 and 2016 and Project Pro for Office 365.

How to freeze panes in Excel to keep rows or columns in your worksheet visible while you scroll, or lock them in place to create multiple worksheet areas.

Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product.

Create an alias to give you an additional email address which uses the same inbox, contact list, and account settings as your primary email address in Outlook.com.

Get an overview of SharePoint. Learn about sites, lists and libraries, permissions, content types and workflows. In addition, read about some of the social features in SharePoint.