Supported File Formats
Import
Picture
JPEG (.jpg), GIF (.gif), BMP (.bmp), PICT (.pic/.pct), TIFF (.tif), TARGA (.tga), PhotoShop (.psd) - not all versions, PNG (.png)

(NB CMYK images are not supported)

Sound
WAVE (.wav), AIFF (.aif), MP3 (.mp3), QuickTime (.mov) - some sound-only formats

Export
QuickTime (.mov), AVI (.avi)