When you say "opening it"I assume you are saying unzip it. After I switched computer I wasn't able to open my zip files without having to unzip them. So after after an hour or so of trying to figure out why I looked at my old computer and saw that I had my zip files set to open with File Explorer. This would allow me to see what was in the file without having to unzip it. Then when I wanted to unzip them I would right click on the files I wanted to extract and then click on 7zip and unzip them. That way I could chose into what file I wanted to unzip them to. This is just what I discovered worked for me.