All File Signatures & Extensions
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MJ2
Primary Hex
00 00 00 0C 6A 50 20 20 0D 0A 87 0A
MJP2
Primary Hex
00 00 00 0C 6A 50 20 20 0D 0A 87 0A
MJS
Primary Hex
2F 2A 20 6A 51 75 65 72 79 20
MK3D
Primary Hex
1A 45 DF A3
MKA
Primary Hex
1A 45 DF A3
MKS
Primary Hex
1A 45 DF A3
Matroska stream file
Primary Hex
1A 45 DF A3
Skype localization data file
Primary Hex
4D 49 4C 45 53
MLV
Primary Hex
4D 4C 56 49
Yamaha Corp
Primary Hex
4D 4D 4D 44 00 00
MMM
Primary Hex
52 49 46 46 52 4D 4D 50
MNG
Primary Hex
8A 4D 4E 47
Microsoft Money file
Primary Hex
00 01 00 00 4D 53 49 53 41 4D 20 44 61 74 61 62 61 73 65
MOBI
Primary Hex
42 4F 4F 4B 4D 4F 42 49
MOD
Primary Hex
45 78 74 65 6E 64 65 64 20 4D 6F 64 75 6C 65 3A
Windows MSinfo file
Primary Hex
FF FE 23 00 6C 00 69 00 6E 00 65 00 20 00 31 00
QuickTime movie file
Primary Hex
6D 6F 6F 76 00
MOVIE
Primary Hex
4D 4F 56 49 00
Monochrome Picture TIFF bitmap file
Primary Hex
0C ED
MP2
Primary Hex
FF F2
MP2A
Primary Hex
FF F2
MPEG-1 Audio Layer 3
Primary Hex
49 44 33
ISO Base Media file
Primary Hex
66 74 79 70 69 73 6F 6D
MP4A
Primary Hex
66 74 79 70 4D 34 41 20