This article explains the diagnostic data collected by Microsoft 365 applications, what that data contains, and why it is collected.

Learn about the features and see diagrams of Surface Pro (5th Gen).

Microsoft is retiring the Windows legacy inbox Troubleshooters, such as Keyboard troubleshooter and Speech troubleshooter, and the Microsoft Support Diagnostic Tool (MSDT) that runs them.

Learn how to troubleshoot Windows Media Player errors. Explore resources for general help with Windows Media Player.

Learn how to fix Outlook add-in warnings, dismiss add-in notifications, or disable an unhealthy add-in.

Learn what SharePoint is, in its various forms, and where to learn more about it.

Find answers about Clipchamp in our help center and support articles collection.

Add words like proper names or technical terms to your spell check dictionary or create and edit a new custom dictionary.

When you first use Outlook, there aren't any holidays on the Calendar. But you can add holidays for one or more countries. If you have a work or school account in Microsoft 365, you can subscribe to a holidays calendar using Outlook on the web and receive automatic updates when holidays are added or changed.

Create a new mail profile that contains information about your accounts and data files.