This step-by-step article describes how to add, modify, or delete registry subkeys and values by using a Registration Entries (.reg) file.

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

Internet Explorer 11 support ended on June 15, 2022. We recommend you use Microsoft Edge for a faster, more secure and more modern web browsing experience.

Sharing OneDrive files, SharePoint files, or Lists with other people allows you to securely collaborate with people outside your organization.

Enjoy advanced protection against phishing and malware, no ads, and other premium features for your Outlook.com account – all part of your Microsoft 365 subscription.

Improve your meeting organization and effectiveness with meeting notes in Teams. Add agendas, notes, and tasks that can be viewed and edited by participants directly in Teams, with the option to share and edit them in Office.com. Optimize your meeting experience by editing notes before or after the meeting from your Teams Calendar or web browser.

Outlook Data Files contain your email messages, calendar, tasks, and other items on your computer.

When you enter a recipient's name in the Bcc (blind carbon copy) field of an email, that recipient receives a copy of the email without their name being visible to the other recipients.

Windows 11, version 22H2; July 25, 2024—KB5040527 (OS Builds 22621.3958 and 22631.3958) Preview; July 9, 2024—KB5040442 (OS Builds 22621.3880 and 22631.3880)

With External Access for Teams, you can add or invite anyone outside of your Teams org who uses Teams, Teams for personal use, Skype (for consumers), and Skype for Business to a one-to-one chat.