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Filetype description |
 | FILExt | 261 | H.261 Encoded Video File |
 | File Extensions | 261 | H.261 encoded video |
| | FILExt | 263 | H.263 Encoded Video File |
| | File Extensions | 263 | H.263 encoded video |
| | File Extensions | 265 | H.265 High Efficiency Video Coding codec encoded video |
 | TrID | 3T4 | Util3 encoded
Header Hexdump: 3A 55 54 49 4C 33 |
| | TrID | AA3 | ATRAC3 encoded audio
Header Hexdump: 65 61 33 03 00 00 00 00 07 76 54 49 54 32 |
| | TrID | AAC | Astrid/Quartex AAC encoded audio
Header Hexdump: 41 41 43 00 01 00 |
| | TrID | ABE | ABE encoded data (original)
Header Hexdump: 3B 41 42 45 20 41 53 43 49 49 2D 42 69 6E 61 72 |
| | File Extensions | AD | AppleDouble encoded data |
| | FILExt | AD | AppleDouble Encoded File (Apple Inc.) |
| | TrID | AD | Mac AppleDouble encoded
Header Hexdump: 00 05 16 07 |
| | File Extensions | ADOC | Authentica Secure Office encoded Word document |
| | TrID | AEA | ATRAC1 encoded audio
Header Hexdump: 00 08 00 00 |
 | Detailed info | AMR | AMR (Adaptive Multi Rate) encoded audio |
| | TrID | AMR | AMR (Adaptive Multi Rate) encoded audio
Header Hexdump: 23 21 41 4D 52 0A |
| | TrID | ANIM | IFF ANIM (Amiga delta/RLE encoded bitmap animation)
Header Hexdump: 46 4F 52 4D |
| | TrID | ANM | IFF ANIM (Amiga delta/RLE encoded bitmap animation)
Header Hexdump: 46 4F 52 4D |
| | TrID | APT | Adaptive Prediction Tree (APT) encoded bitmap
Header Hexdump: 61 70 74 |
| | FILExt | APT | Adaptive Prediction Tree APT Encoded Bitmap (John Robinson) |
| | File Extensions | APT | APT encoded bitmap image |
| | File Extensions | AS | AppleSingle encoded data |
| | FILExt | AS | AppleSingle Encoded File (Apple Inc.) |
| | TrID | AS | Mac AppleSingle encoded
Header Hexdump: 00 05 16 00 |
| | TrID | ASC | ASCII Encoded HP 48 Object
Header Hexdump: 25 25 48 50 3A |
| | File Extensions | B2A | Binary to ASCII (BTOA) encoded data |
 | FileInfo | B2A | Btoa Encoded File |
| | TrID | B3K | BWTC32Key encoded data
Header Hexdump: FE FF 4D 00 |
| | File Extensions | B64 | ASCII base64 MIME encoded archive |
| | FILExt | B64 | Base 64 MIME-encoded File |
| | FileInfo | B64 | Base64 MIME-Encoded File |
 | DotWhat | B64 | StuffIt Encoded encoded file archive |
| | FileInfo | BHX | BinHex Encoded File |
| | TrID | BIN | LMMC encoded router config
Header Hexdump: 4C 4D 4D 43 |
| | TrID | BIN | Mac MPEG encoded data (MacBinary)
Header Hexdump: 00 |
| | FileInfo | BIN | MacBinary Encoded File |
 | Cryer | BIN | MacBinary encoded file |
| | DotWhat | BIN | Macbinary II Encoded File |
| | File Extensions | BIN | Macbinary II encoded file |
| | TrID | BMP | Run Length Encoded bitmap (compression 2)
Header Hexdump: 42 4D |
| | TrID | BMP | Run Length Encoded bitmap
Header Hexdump: 42 4D |
| | File Extensions | BOO | Microsoft Booasm.arc encoded file archive |
| | TrID | BSC | BinSCII encoded data
Header Hexdump: 46 69 4C 65 53 74 41 72 54 66 49 6C 45 73 54 61 |
| | FILExt | BSQ | Apple II BINSCII-encoded (Apple Inc.) |
| | TrID | BSQ | BSQ encoded data (v1)
Header Hexdump: 3D 3D 3D 20 42 53 51 20 31 20 46 49 4C 45 |
| | TrID | BSQ | BSQ encoded data (v2)
Header Hexdump: 3D 3D 3D 20 42 53 51 20 76 65 72 20 20 20 32 |
| | FILExt | BTPC | BTPC Encoded Bitmap (John Robinson) |
| | File Extensions | BTPC | BTPC encoded bitmap file |
| | TrID | BTPC | BTPC encoded bitmap
Header Hexdump: 62 74 70 63 20 |
| | TrID | CAT | Microsoft Security Catalog (DER encoded)
Header Hexdump: 30 82 |
| | File Extensions | CCITT | CCITT Group 3 and Group 4 encoded fax |
| | TrID | CDE | MicroHof Code encoded message
Header Hexdump: 4D 48 20 43 4F 44 45 20 46 49 4C 45 |
| | TrID | COM | 16bit DOS COM xcom ASCII encoded (v2.2)
Header Hexdump: 26 58 50 5A 2C 32 50 5F 30 45 5B 30 45 5F 2C 70 |
| | FILExt | CSP | AudioZip Encoded Audio |
| | TrID | CSP | AudioZip encoded audio
Header Hexdump: 01 01 |
| | FileInfo | CTX | Valve ICE Encoded Script |
| | TrID | CVX | Covox ADPCM encoded audio
Header Hexdump: FF 55 FF AA FF 55 FF AA |
| | TrID | DCTV | DCTV encoded ILBM bitmap
Header Hexdump: 46 4F 52 4D |
| | File Extensions | DER | DER encoded internet security certificate |
| | FILExt | DER | DER Encoded X509 Certificate |
| | TrID | DER | DER encoded X509 Certificate
Header Hexdump: 30 82 |
| | FileInfo | DIVX | DivX-Encoded Movie |
| | DotWhat | DIVX | DivX Encoded Movie File |
| | FILExt | DIVX | Movie Encoded with DivX-codec |
| | FILExt | DN8 | Blue Martini UTF-8 Encoded DNA File |
| | TrID | DTS | DTS encoded audio (14bit, BE)
Header Hexdump: 1F FF E8 00 07 |
| | TrID | DTS | DTS encoded audio (14bit, LE)
Header Hexdump: FF 1F 00 8E |
| | TrID | DTS | DTS encoded audio (raw, BE)
Header Hexdump: 7F FE 80 01 |
| | TrID | DTS | DTS encoded audio (raw, LE)
Header Hexdump: FE 7F 01 80 |
| | FileInfo | DTS | DTS Encoded Audio File |
| | File Extensions | EBKTML | eBook Pro encoded temporary file |
| | DotWhat | ENC | Encoded file |
| | FileInfo | ENC | Encoded File |
| | File Extensions | ENC | Uuencode encoded data |
| | FILExt | ENC | UUENCODE Encoded File |
| | File Extensions | ENCIPHERED | Malware (ransomware) encoded data |
| | FILExt | EWZ | EdgeWize Compressed Encoded Data File (Qivx Inc.) |
| | File Extensions | EYE | Eyeris encoded audio video |
| | FILExt | EYE | Eyeris Encoded Audio/Video File (Eyewonder Inc.) |
| | File Extensions | FAX | Fax document (generic Group 3 1bit encoded data) |
| | File Extensions | FCXE | FileCapsule Deluxe encoded archive |
| | File Extensions | FLA | Audio files encoded by Flac - free lossless audio codec |
| | File Extensions | FLAC | Audio files encoded by Flac - free lossless audio codec |
| | File Extensions | H-263 | H.263 encoded video |
| | File Extensions | H.263 | H.263 encoded video data |
| | FileInfo | H264 | H.264 Encoded Video File |
| | File Extensions | HBX | BinHex encoded data |
| | FileInfo | HBX | BinHex Encoded File |
| | TrID | HCX | BinHex 2.0 encoded
Header Hexdump: 28 54 68 69 73 20 66 69 6C 65 20 6D 75 73 74 20 |
| | TrID | HEX | BinHex 1.0 encoded
Header Hexdump: 23 54 45 58 54 74 74 78 74 |
| | TrID | HEX | BinHex 3.0 encoded
Header Hexdump: 23 54 45 58 54 74 74 78 74 |
| | FileInfo | HEX | BinHex Encoded File |
| | File Extensions | HEX | Macintosh BinHex encoded file archive (ASCII) |
| | FILExt | HMA | ATRAC3plus Encoded Audio File (Sony) |
| | FileInfo | HQX | BinHex 4.0 Encoded File |
| | TrID | HQX | BinHex 4.0 encoded
Header Hexdump: 28 54 68 69 73 20 66 69 6C 65 20 6D 75 73 74 20 |
| | TrID | HQX | BinHex 5.0 encoded
Header Hexdump: 28 54 68 69 73 20 66 69 6C 65 20 6D 75 73 74 20 |
| | File Extensions | HUF | Huffman encoded data |
| | FILExt | HUF | Huffman Encoded/Compressed File |
| | DotWhat | HUF | Huffman encoded |
| | TrID | ILBM | DCTV encoded ILBM bitmap
Header Hexdump: 46 4F 52 4D |
| | File Extensions | IMA4 | Apple QuickTime IMA4 encoded audio |
| | TrID | IMA4 | IMA4 encoded audio
Header Hexdump: 69 6D 61 34 |
| | File Extensions | INLINE | Base64-encoded inline image |
| | FILExt | JSE | Fichier Encoded Javascript |
| | FileInfo | JSE | JScript Encoded File |
| | DotWhat | JSE | Jscript Encoded Script File |
| | FILExt | JSE | JScript Encoded Script File |
| | File Extensions | JSE | JScript encoded script |
| | File Extensions | LPC | LPC-10 encoded audio |
| | TrID | MACBIN | Mac MPEG encoded data (MacBinary)
Header Hexdump: 00 |
| | FILExt | MCP | MUSICompress Encoded Audio (Soundspace Audio LLC) |
| | TrID | MCP | MUSICompress encoded audio
Header Hexdump: 52 49 46 46 |
| | FileInfo | MJD | Adobe Acrobat MIME Encoded Job Definition File |
| | File Extensions | MJD | Adobe Acrobat MIME encoded job definition |
| | File Extensions | MONO | Monolith munged encoded data |
| | FILExt | MONO | Monolith Munged Encoded File |
| | TrID | MP3 | GoGo encoded MP3 audio (ID3 v1.x tag)
Header Hexdump: FF FB 90 |
| | TrID | MP3 | GoGo encoded MP3 audio (ID3 v2.x tag)
Header Hexdump: 49 44 33 |
| | TrID | MP3 | GoGo encoded MP3 audio
Header Hexdump: FF FB 90 |
| | TrID | MP3 | Helix encoded MP3 audio (with LAME tag)
Header Hexdump: FF FB |
| | TrID | MP3 | LAME encoded MP3 audio (ID3 v1.x tag)
Header Hexdump: FF |
| | TrID | MP3 | LAME encoded MP3 audio (ID3 v2.x tag)
Header Hexdump: 49 44 33 |
| | TrID | MP3 | LAME encoded MP3 audio
Header Hexdump: FF |
| | TrID | MP3 | Plugger encoded MP3 audio
Header Hexdump: FF FB |
| | TrID | MP3 | Xing encoded MP3 audio
Header Hexdump: FF FB |
| | TrID | MPC | Musepack encoded audio (generic)
Header Hexdump: 4D 50 2B |
| | TrID | MPC | Musepack encoded audio (SV7.0)
Header Hexdump: 4D 50 2B 07 |
| | TrID | MPC | Musepack encoded audio (SV8)
Header Hexdump: 4D 50 43 4B |
| | File Extensions | MUK | Multak Mini 8162 encoded audio karaoke |
| | TrID | MUK | Multak Mini 8162 encoded Karaoke audio
Header Hexdump: 2E 41 55 54 28 00 00 00 |
| | TrID | MV3 | AUPEC encoded audio
Header Hexdump: 56 41 52 67 |
| | TrID | MX1 | Mapletown Network bitmap (7bit encoded)
Header Hexdump: 40 40 40 20 |
| | DotWhat | MX3 | Encoded MP3 file format |
| | FILExt | MX3 | MP3 Encoded File |
| | File Extensions | NEC | NEC JIS encoded data |
| | FILExt | NEC | NEC JIS Encoded File |
| | TrID | NEC | NEC JIS encoded file
Header Hexdump: 1B 4B |
| | TrID | NPX | NETPIC ASCII-encoded GIF
Header Hexdump: 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D |
| | TrID | NTR | NETRUN ASCII-encoded COM/EXE
Header Hexdump: 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D 3D |
| | File Extensions | NTX | yEnc32 encoded data |
| | FILExt | OFR | OptimFROG Encoded Audio (Florin Ghido) |
| | File Extensions | OFR | OptimFROG encoded audio |
| | TrID | OFR | OptimFROG encoded audio
Header Hexdump: 4F 46 52 20 |
| | TrID | OFS | OptimFROG encoded audio
Header Hexdump: 4F 46 52 20 |
| | File Extensions | ON2 | on2 encoded FLV data |
| | FILExt | OTRKEY | OnlineTvRecorder Encoded Video (OnlineTvRecorder.com) |
| | FileInfo | OTRKEY | OnlineTvRecorder Encoded Video File |
| | File Extensions | OTRKEY | OTRKEY encoded video |
| | FILExt | P64 | H.261 Encoded Video File |
