Migration question

[Matts Christensen]

Hi there im new to FastTrack, can I use FastTrack to migrate data from SharePoint to a new site collection?

Or is it only possible to migrate data from on-prem to cloud using FastTrack?  

[#2]

No, you can't. I recommend you to check the following Microsoft article in regards of data migration services with FastTrack: https://docs.microsoft.com/en-us/fasttrack/data-migration