: Ensure you have every file in the sequence (UK-PD Plan.7z.001, .002, ... up to the final number) in one location.
: Right-click on "UK-PD Plan.7z.001" (the first piece). UK-PD Plan.7z.008
: You cannot open "piece .008" individually; the decompression software needs the header information typically found in the .001 file to understand how to put the puzzle back together. : Ensure you have every file in the sequence (UK-PD Plan