: copy /b "topic descriptions.7z.*" "complete_file.7z" Linux : cat "topic descriptions.7z."* > complete_file.7z . If you'd like, tell me: Do you have the other three parts of this archive? What software or operating system are you currently using?
: If part .004 is the only file you have, you cannot extract its contents. You need the preceding parts starting from .001 . descriptions.7z.004
What is the of the .004 file compared to the others? : copy /b "topic descriptions