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.
NUP
N/A
Primary Hex
4E 55 52 55 49 4D 47 4E 55 52 55 50 41 4C
VMware BIOS
N/A
Primary Hex
4D 52 56 4E
O
N/A
Primary Hex
7F 45 4C 46
OAR
N/A
Primary Hex
4F 41 52
MicrosoftCommon Object File Format
N/A
Primary Hex
4C 01
OBT
N/A
Primary Hex
65 87 78 56
ActiveX or OLE Custom Control
N/A
Primary Hex
4D 5A
ODC
application/vnd.oasis.opendocument.chart
Primary Hex
50 4B
ODF
application/vnd.oasis.opendocument.formula
Primary Hex
50 4B