Chrome OS and Chromebooks in general have been around for years.
This can be done by simply clicking theEjectbutton next to the name of the mounted file.
What File Formats Does Chrome OS Support?
These are specific extensions that work just like they would on any other computer using Chrome.
However, they have been better optimized to work with Chromebooks and Chrome OS.
Plus, you might always download an app or extension if you better unzip and access unsupported files.