Please help: Compression Software

Users questions: I ask: How can compress large files into smaller files? Even that is a rookie, even laugh ... ... sub-table volume compression is what?
Experts answer: is the sub-volume compression you say ah ~ Right click the file ~ point "to the compressed file" ~ "General" there are sub-volume compression ~ select "Size" on the line after the confirmation ~screen.width*0.35)this.width=screen.width*0.40 *
  • This information provided by the users.Thanks!