What is DRV? DRV, short name for Driver, is used as the file extension for Device Driver files. .DRV files are binary files that are used by Windows systems to communicate with hardare devices See the sample .DRV file included below.

File Extension: .DRV

MIME Type: application/octet-stream

File Content: Device Driver

.DRV files are Device Driver files saved as binary files. Here are the first 128 bytes of a sample .DRV file, keyboard.drv, dumped in HEX values:

4d 5a 7c 00 02 00 00 00 04 00 07 00 ff ff 00 00 MZ..............
b8 00 00 00 00 00 00 00 40 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 80 00 00 00 ................
0e 1f ba 0e 00 b4 09 cd 21 b8 01 4c cd 21 54 68 ...........L..Th
69 73 20 70 72 6f 67 72 61 6d 20 72 65 71 75 69 is.program.requi
72 65 73 20 4d 69 63 72 6f 73 6f 66 74 20 57 69 res.Microsoft.Wi
6e 64 6f 77 73 2e 0d 0a 24 00 00 00 00 00 00 00 ndows...........

.DRV Device Driver file sample: Click sample.drv to download.