A file with the extension .MRW is associated with a RAW image file taken with a Minolta Digital Camera.

A 'RAW' image file contains only minimally processed data taken via the sensor of the digital camera.

The purpose of this is that settings such as: exposure, white balance, etc. can then be modified later as desired.

* Different .MRW files (with different formatting) are produced by different Minolta cameras, it is advisable to check that your particular camera model is supported before using/purchasing photo editing software.

The .MRW file extension is known to be supported by the following models:

Minolta DiMAGE 5
Minolta DiMAGE 7
Minolta DiMAGE 7I
Minolta DiMAGE 7HI
Minolta DiMAGE A1
Minolta DiMAGE A2
Minolta DiMAGE A200
Minolta Dynax 5D
Minolta Dynax 7D
Minolta Maxxum 5D
Minolta Maxxum 7D

* Konica Minolta stopped producing camera's in 2006.