If you’re planning on importing files into your animation project, you can check this list to see whether they will be compatible.

Supported Video File Types

3GPP2 Multimedia File (.3g2)
3GPP Multimedia File (.3gp)
Audio Video Interleave File (.aiv)
Digital Video File (.dv)
H.264 Encoded Video File (.h264)
Joint Photographic Expert Group (.jpeg)
Joint Photographic Expert Group (.jpg)
MPEG-1 Video File (.m1v)
MPEG-2 Video (.m2v)
Motion JPEG Video Format (.mjpg)
Apple QuickTime Movie (.mov)
MPEG-4 Video File (.mp4)
MPEG Movie (.mpeg)
MPEG Video File (.mpg)
Sony Movie File Format (.mqv)

Supported Audio File Types

Compressed Audio Interchange File (.aifc)
Audio Interchange File Format (.aiff)
Audio File (.au)
Core Audio File (.caf)
CD Audio Track Shortcut (.cda)
Raw Audio CD Data (.cdr)
iTunes CD Information File (.cidb)
MPEG-4 Audio File (.m4a)
Apple QuickTime Movie (.mov)
MP3 Audio File (.mp3)
WAVE Audio File (.wav)

Supported Still Image File Types

Bitmap Image File (.bmp)
Flashpix File Format (Including Layers) (.fpx)
Graphics Interchange Format (.gif)
JPEG 2000 File (.j2c)
JPEG 2000 File (.j2k)
JPEG File Interchange Format (.jifi)
JPEG 2000 File (.jp2)
Joint Photographic Expert Group (.jpeg)
Joint Photographic Expert Group (.jpg)
JPEG 2000 File (.jpx)
MacPaint (.macp)
MacPaint (.paint)
PICT File Format (.pct)
Photoshop File (Including Layers) (.pdd)
PICT File Format (.pic)
PICT File Format (.pict)
Portable Network Graphics (.png)
MacPaint (.pnt)
MacPaint (.pntg)
Photoshop File (Including Layers) (.psd)
Silicon Graphics IRIS Graphic File (.sgi)
Targa File Format (.tga)
Tagged Image File Format (Including Layers) (.tiff)

Supported Animation File Types

FLIC Animation File (.flc)
Animated Graphical Interchange Format File (.gif)
HUE Animation File (.hue)
Generic Picture File (.pic)
SAM Animation File (.sam)
Flash File Format (.swf)