Here is the list of Loops that Pro Tools can import

AIFF
• WAV or BWF (.WAV)
• SDII
• SDI
• MP3
• MXF audio
• Sound Resource (AIFL—Mac only)
• WMA (Windows Media—Windows only)
• QuickTime (Mac only)
• AAC audio (including audio with AAC,
Mp4, and M4a file extensions)
• ReCycle (REX 1 and 2) files
• ACID files

Alan