2g: _learninglvxx.7z.001

: Right-click on only the first file ( .001 ).

: This is a split archive . It means the original folder was too big to be one file, so it was chopped into numbered pieces ( .001 , .002 , etc.). 2G _learningLVXX.7z.001

You cannot open this file by itself. You need the full "set" to reconstruct the original data. : Right-click on only the first file (