In Microsoft Teams you can create tabs, in every channel of your team extending teams on your needs and increasing the collaboration with your colleagues, for example you can have as a tab power bi, stream, onenote, excel, powerpoint, and many other applications available in the teams store. Do you know that you can have your own application available as a tab in teams? this is very great so you can have your user interface, your business logic contained in a tab in microsoft teams, this is pretty powerful, you can develop for instance a solution with sharepoint framework and have this application available as a tab in your channel. Another important pillar in Microsoft Teams are the policies in the teams admin center, which allow you to release your application as a tab to few people or to the entire organization.
In the following video tutorial I’ll show you every step to create a custom tab in Microsoft Teams through SharePoint Framework: