To open or extract this file, you cannot treat it as a standalone item; you must have all subsequent parts (e.g., na1.7z.002 , na1.7z.003 ) in the same folder. How to Extract "na1.7z.001"
: Do not rename the individual parts. They must follow the exact filename.7z.001 , filename.7z.002 pattern to be recognized as a set. na1.7z.001
The file extension indicates that you have the first part of a split 7-Zip compressed archive . To open or extract this file, you cannot