常見文件的文件頭
JPEG (jpg),文件頭:FFD8FF
PNG (png),文件頭:89504E47
GIF (gif),文件頭:47494638
TIFF (tif),文件頭:49492A00
Windows Bitmap (bmp),文件頭:424D
CAD (dwg),文件頭:41433130
Adobe Photoshop (psd),文件頭:38425053
Rich Text Format (rtf),文件頭:7B5C727466
XML (xml),文件頭:3C3F786D6C
HTML (html),文件頭:68746D6C3E
Email [thorough only]
(eml),文件頭:44656C69766572792D646174653A
Outlook Express (dbx),文件頭:CFAD12FEC5FD746F
Outlook (pst),文件頭:2142444E
MS Word/Excel (xls.or.doc),文件頭:D0CF11E0
MS Access (mdb),文件頭:5374616E64617264204A
WordPerfect (wpd),文件頭:FF575043
Postscript. (eps.or.ps),文件頭:252150532D41646F6265
Adobe Acrobat (pdf),文件頭:255044462D312E
Quicken (qdf),文件頭:AC9EBD8F
Windows Password (pwl),文件頭:E3828596
ZIP Archive (zip),文件頭:504B0304
RAR Archive (rar),文件頭:52617221
Wave (wav),文件頭:57415645
AVI (avi),文件頭:41564920
Real Audio (ram),文件頭:2E7261FD
Real Media (rm),文件頭:2E524D46
MPEG (mpg),文件頭:000001BA
MPEG (mpg),文件頭:000001B3
Quicktime (mov),文件頭:6D6F6F76
Windows Media (asf),文件頭:3026B2758E66CF11
MIDI (mid),文件頭:4D546864
常見文件的文件頭