: The extraction software (like WinRAR or 7-Zip) reads Part 1, then automatically looks for Part 2 to continue.

: Always right-click on Part 1 to begin the extraction. The software will automatically pull data from Part 2 as needed.

The naming convention "1191_RP" is highly specific and typically points to one of three categories:

: Run the archive through VirusTotal before opening.