Microsoft Teams now supports integration with third party cloud storage solutions such as Dropbox, Google Drive, Sharefile, and Box. Integration is enabled by default, and can be controlled by Office 365 admins.
Are there any security or compliance concerns for Office 365 customers who allow emails to be sent to Microsoft Teams channels?
How to silently deploy the Microsoft Teams desktop client using a PowerShell script and Group Policy.
Getting started with Microsoft Teams, the group communication and collaboration tool for Office 365 customers.