For security reasons Team Forms will keep data from teams within an organisation isolated, however, you can still copy a forms from one team into another using the methods outlined below.
Copying the source code
To copy a form from one team to another your can use the steps outlined below.
Before you can copy a form to another team make sure that both teams are added to your workspace.
Go to the builder screen for the form you want to copy
In the top right-hand corner click the "..." icon and click "Copy". A dialogue will appear.
Use the drop down menus to select the team you wish to copy the form to. You can optionally also select a channel.
Click copy. A copy for the form will now be available in your other team.