Based on the file naming convention, appears to be a specific segment of a multi-part compressed archive. Files named with "DODIG" often refer to reports or data from the Department of Defense Office of Inspector General (DoD OIG) , while "V164" likely denotes a specific volume or report number. Analysis of the File
Documentation related to fraud, waste, or abuse within the DoD.
Use a modern utility like WinRAR or 7-Zip that supports multi-volume extraction. How to Proceed
To look deeper into this specific part, you would need to identify the associated with "V164." If this is part of a FOIA release, the index file (usually in part 1) will contain the table of contents.