Add SharePoint site as a App to the Teams

mahendra89 you can create a custom app to do this. Then then Teams admin can a add the app to the left hand nav bar for all users. here is a quick overview of the steps.

Go to the Developer Portal https://dev.teams.microsoft.com/home

+ New App

• Add details

Add Personal App

• In Content URL paste in the Form URL

Publish App too Your org

In Team Admin center  - Managae Apps

• make sure app is approved and allowed

In Team Admin – Set up policies

• Add app to Nav bar for all users

This can take several hours to publish app to the nav bar in Teams.

Go to the Developer Portal https://dev.teams.microsoft.com/home

+ New App

• Add details

Add Personal App

• In Content URL paste in the SharePoint site URL

Publish App to Your org

In Team Admin center  - Manage Apps

• make sure app is approved and allowed

In Team Admin – Set up policies

• Add app to Nav bar for all users

This can take several hours to publish app to the nav bar in Teams.