This is the 30th part of a RAR archive, designed to be reassembled with the other parts (part01...partN) to extract the final files [1].
If you want to know what's in that file, I can help you find out, if you tell me: did you get the file from? Do you have all the other parts (1-29)? DODIGV164.part30.rar
Given the context of DODIG releases, this file might contain: Audit or evaluation reports. Case documentation or evidence files. This is the 30th part of a RAR