In this format, you can save images that are shot on Sony (Minolta) cameras and some digital SLR cameras. MRW images are stored in uncompressed RAW form, and they contain more detail than compressed images. This format allows you to edit the white balance, exposure, brightness, and other elements losslessly.
DOT is a template file created by Microsoft Word, a word processing application. The DOT file provides a solution for situations where many similar documents with the same font and layout are required with simple changes between them needed, like names and places for example