This table of file signatures aka "magic numbers" is a continuing work-in-progress. I had found little information on this in a single place, with the exception of the table in Forensic Computing: A Practitioner's Guide by T. Jenkinson Springer, ; that was my inspiration to start this list "Xpt files fdating" See also Wikipedia's List of file signatures. Comments, additions, and queries can be sent to Gary Kessler at gck garykessler. This list is not exhaustive. Interpret the table as the magic number generally indicating the file type rather than the file type always having the given magic number.
If you want to know to what particular file extension refers, check out some of these sites:. The File Signatures Web site searches a database based upon file extension or file signature.
Additional details on audio and video file formats can be found at the Sustainability of Digital Formats Planning for Library of Congress Collections site. Another collection of many types of file format specifications can be found at Alex Kirk's File Format Documentation Collection. The following individuals have given me updates or suggestions for this list over the years: I thank them and apologize if I have missed anyone. I would like to give particular thanks to Danny Mares of Mares and Xpt files fdatingauthor of the Xpt files fdating Suite primarily for the "subheaders" for many of the file types hereand the people at X-Ways Forensics for their permission to incorporate their lists of file signatures.
Nicole Beebe from The University of Texas at San Antonio posted samples of more than 32 file types at the Digital Corpora, which I used for verification and additional signatures.
These files were used to develop the Sceadan File Type Classifier. The file samples can be downloaded from the Digital Corpora website. Permission to use the material here is extended to any of this
Xpt files fdating visitors, as long as appropriate attribution is provided and the information is not altered in any way without express written permission of the author. Truevision Targa Graphic file Trailer: Xpt files fdating video file Trailer: Amiga Hunk executable file.
It appears that the byte following the 0x52 "R" is the language indicator; 0x33 "3" seems to indicate English and 0x61 "a" reportedly indicates Korean.
See the Unicode Home Page. Mbox table of contents file. The next four bytes appear to be the number of e-mails in the associated mbox file. Firebird and Interbase database files, respectively. See IBPhoenix for more information.
INFO2 Windows recycle bin file.
Material Exchange Xpt files fdating file. Possibly, maybe, might be a fragment of an Ethernet frame carrying an IPv4 packet. Compressed tape archive file using standard Lempel-Ziv-Welch compression. Microsoft Outlook Personal Folder File. Audio compression format developed by Skype; also used by other applications.
Adobe PostScript file If this signature is not at the immediate beginning of the file, it will occur early in the file, commonly at byte offset 30 [0x1E]. There may be multiple end-of-file marks within the file.
When carving, be sure to get the last one. This fi le must be conve rted wit h BinHex.
The swpackage 8 page has additional information. See the libburnia page for additional information. GPS eXchange file v1. Generic AutoCAD drawing file. The 0x AC is a generic header, occupying the first two bytes in the file. The next three or four bytes give further indication about the Xpt files fdating see also DWG file specifications released by OpenDesign: AES Crypt file format. The fourth byte is the version number.
The signature above is correct for the generic first six bytes. Windows or device-independent bitmap image NOTE: Bytes contain the file length in little-endian order. Better Portable Graphics image format. Microsoft Internet Explorer cache file index. DSD Storage Facility audio file. Byte offset 9 i. See the EWF specification. See Xpt files fdating EVFv2 specification.
"Xpt files fdating" Shockwave Flash player file uncompressed. A commmon file extension for e-mail files. Signatures shown here are for Netscape, Eudora, and a generic signature, respectively.
MPEG transport stream file. This is not a lot to go on, but MPEG-2 Part 1 Transport MP2T files are reportedly broken into byte packets and the 0x47 byte is the sync byte, so should repeat every bytes in the file.
Graphics interchange format file Trailer: Canon digital camera RAW file. Canon digital camera RAW file Ref.