Background - Since g-suite accounts have certain limitations, sometimes users may want to migrate to a regular google account (after they graduate or whatever).

Google has provisions in place to simplify this task.  See the following links:

https://support.google.com/a/answer/6364687?hl=en - Info about the process

https://support.google.com/accounts/answer/6386856 - The link to provide to the user who wants to migrate their data

https://takeout.google.com/transfer - The link to migrate the data