Part3 usually contains the tail end of the data structure. In a split RAR, Part 1 holds the header. Part 2 holds the middle.
I stumbled across this file last week, buried in a deep archive of weather radar scrapes. At 2.4GB, part3 is the middle child of a three-part RAR archive. I don’t have parts 1 or 2. I only have the scream in the middle of the song. Tornados 2024.part3.rar
Part3 is the digital equivalent of finding the last ten pages of a novel in a puddle. You know the hero survives (or doesn't). You know the wind finally dies. But you have no idea how they got there. Part3 usually contains the tail end of the data structure