Pro Tools File structure is created for you each time you name your session:
Three things are created when you choose to name a session: MyMostAwesomeRecordingEver_part_II
1) Folder name: “MyMostAwesomeRecordingEver_part_II”
2) Pro Tools session file: “MyMostAwesomeRecordingEver_part_II.ptx”
3) “Audio Files” (sub folder)