: Use software like 7-Zip or WinRAR.
: Look for other files in the same location named Castles_of_Scotland.7z.002 , 003 , etc. Castles_of_Scotland.7z.001
: Right-click on the .001 file and select "Extract." The software will automatically pull data from the other numbered parts to recreate the original folder. A Piece on the "Castles of Scotland" : Use software like 7-Zip or WinRAR