Pick a team and channel. A team is a collection of people, conversations, files, and tools — all in one place. A channel is a discussion in a team, dedicated to a department, project, or topic.. The best way to get familiar with teams and channels is to pick a team and channel and start exploring! Select Teams on the left side of the app and then pick a team.

How to use the FILTER function in Excel to filter a range of data based on criteria you define.

This article tells you how to add email accounts to the Mail and Calendar apps so you can start sending and receiving email and creating and managing events.

Warning: Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3.The DATEDIF function may calculate incorrect results under certain scenarios. Please see the known issues section of this article for further details.

Attach pictures and other files to your emails, meetings, and appointments.

Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro 4, Surface Book, and Surface Studio.

How to use AutoSum in Excel to add numbers in a column or a row of numbers.

See an alert in a pop-up window on the bottom of Windows desktop when new email messages arrive in your Outlook Inbox.

Learn how to add all your different accounts to the Microsoft Authenticator app.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.