Sessions & Tracks : Importing and Exporting Session Data : Importing Session Data : Copying During Import

Copying During Import
If no conversion is necessary, and the files reside on a suitable Performance volume, Pro Tools references the original version of the media. You can also choose to copy media while importing by using key commands, or enabling the Automatically Copy Files on Import preference. Copies are created in the session’s Audio Files Folder.
To manually copy files on import:
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Alt-drag (Windows) or Option-drag (Mac) the files. A copy is created in the session Audio Files folder.
When importing sessions or tracks, the Import Session Data dialog lets you specify whether to reference the source media, or copy it.
To automatically copy files on import:
1 Choose Setup > Preferences, and click the Operations tab.
2 Select Automatically Copy Files on Import.
3 Click OK to close the Preferences dialog.