If you need to send a set of files to another user via email or attach a link to a cloud drive, you might have to compress the folder containing files to send it. This is to save internet data, time, ...

It is worth mentioning here that the well-known unzipping utility, 7-Zip can also extract.dmg files for your Windows machine. It’s quite handy for users, as they only need to right-click any .dmg file ...