And then if you had a Mac, you probably ran across one of the Stuffit formats. .sit, .sitx, etc. or a binhex one, like .hqx. so many file compression formats,

And then if you had a Mac, you probably ran across one of the Stuffit formats. .sit, .sitx, etc. or a binhex one, like .hqx. so many file compression formats, so little time. Stuffit did a great job of handling them and keeping the pesky Mac OS (classic) resource forks in line. Mostly.