I know there's a ton of topics asking how to unrar / unzip downloaded custom content, but that's not what I'm here to ask.

Is there some way to rar, zip, compress, etc. custom content files so I can free up space on my computer? I've already deleted all the pictures on my computer but I am still running out of space and I want to be able to save my Sims 2 games!

Please and thanks <3