I wanted to update this thread with information about transferring workspaces between an individual account and a team.
First, there is no built-in way to transfer ownership from a team to an individual account. This falls into the same category as above where you’ll have to download and upload files to make this happen.
Second, transfer from an individual account to a team you belong to is a very quick process. To start, head to your dashboard and click on the workspace card (be careful not to press the ‘Open’ or ‘Clone’ buttons on the card) of the workspace you want to transfer.
Click on the gear icon for the workspace. Please note that there is another gear icon on the top header of the page. That’s for your account settings, don’t click that.
Within the ‘Danger zone’ section, you’ll find a button for ‘Transfer to team’. Click that to transfer your workspace to the team.