: You only need to right-click and extract the first part; the software will automatically pull data from the remaining segments. Do you have the other parts of this archive, or Contract Data Requirements List (CDRL) - AcqNotes
: Use a tool like WinRAR or 7-Zip to extract them.
Based on the filename provided, this appears to be a multi-part compressed archive containing a document. Specifically, "part3.rar" indicates this is the third segment of a split file that must be combined with "part1" and "part2" to be opened. Context and Identification
: Ensure you have CDRL-039.part1.rar and CDRL-039.part2.rar .
: A Contract Data Requirements List (CDRL) is a standard list of data deliverables required by a government or organization from a contractor.