Open files without the software they came from.

v2010.accdb, first 48 bytes

00000000  00 01 00 00 53 74 61 6e 64 61 72 64 20 41 43 45  ....Standard ACE
00000010  20 44 42 00 03 01 00 00 b5 6e 03 62 60 09 c2 55   DB......n.b`..U
00000020  e9 a9 67 72 40 3f 00 9c 7e 9f 90 ff 85 9a 31 c5  ..gr@?..~.....1.

0000  00 01 00 00 53 74 61 6e  ....Stan
0008  64 61 72 64 20 41 43 45  dard ACE
0010  20 44 42 00 03 01 00 00   DB.....
0018  b5 6e 03 62 60 09 c2 55  .n.b`..U
0020  e9 a9 67 72 40 3f 00 9c  ..gr@?..
0028  7e 9f 90 ff 85 9a 31 c5  ~.....1.