All File Signatures & Extensions
Search by extension, format name, or MIME type to jump straight to a canonical signature page with validation code and source attribution.
SDC
application/vnd.stardivision.calc
Primary Hex
D0 CF 11 E0 A1 B1 1A E1
SDD
application/vnd.stardivision.impress
Primary Hex
D0 CF 11 E0 A1 B1 1A E1
SmartDraw Drawing file
N/A
Primary Hex
53 4D 41 52 54 44 52 57
SDW
application/vnd.stardivision.writer
Primary Hex
D0 CF 11 E0 A1 B1 1A E1
SevenZip
application/x-7z-compressed
Primary Hex
37 7A BC AF 27 1C
SH
application/x-sh
Primary Hex
23 21 2F
Harvard Graphics presentation file
N/A
Primary Hex
48 48 47 42 31
SHB
N/A
Primary Hex
52 49 46 46 73 68 62 35
Windows Server 2003 printer spool file
N/A
Primary Hex
4B 49 00 00