One of the most vital jobs of a computer’s operating system — its basic software — is storing and retrieving information on disks at the request of programs like word processors or spreadsheets.

If you want to squeeze the greatest amount of data onto your hard drive, compression is the way to go — and the ZIP format has long been a trusted method that nearly any Windows user can invoke.

Utility software close utility softwareSoftware that performs a specific and useful task, for example compressing files, defragmenting the hard disk helps maintain the system. Utility software is used ...