ICO is used for Icon Files.
| Audio, Video, and Image Codec/Format List |
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Video Codec List: AVI | DivX | MPEG-1 | MPEG-2 | MPEG-4 | QT | RM | RV | XVID | WMV Audio Codec List: AAC | AC3 | ATRAC | FLAC | MP1 | MP2 | MP3 | Ogg | RA | WAV | WMA Image Format List: GIF | PNG | JPEG | TIFF | RAW | MIX | PSD | ICO | ANI | TGA | PIX | PCX | BMP |
| File Extensions List by the Letter I |
| File Extensions List by the Letter I: |
| File Extensions List by Alphabetical Order |
| File Extensions List by Alphabetical Order:
Char | 0-9 | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z |