| Filetype | Plays |
| RM, RA, RAM | RealAudio/RealVideo streamed content |
| RT | Real Text streamed text formats |
| RP | RealPix streamed GIF and JPG ('j-peg') images |
| GIF, JPG | Stand alone JPG and GIF images |
| MP3, MPEG | Layer 3 audio format |
| SWF | RealFlash and Shockwave Flash animation |
| SMIL, SMI | SMIL formatted (multiple datatype layout) files |
| VIV, VIVO | Vivo video files |
| MPG, MPEG | Standard MPEG Layer 1 video and Layer 2 audio formats |
| WAV, AU, AIFF | 'Legacy' sound files--older but prevalent file-types |
| ASF | NetShow files (some) |
| MID ‘MIDI’ | sound files |