They are not just dealing with some common formats, but also many other uncommon formats, like epub, CBZ/CBR e-books, GZip, BZip2, WIM, etc. Supported File FormatsīetterZip claims it can open and extract over 30 archive formats. The middle part is the main area, where you can drag and drop your files that need to compress or extract. The left panel is the source of files area, which shows where files come from. Once you install BetterZip, you can find its main interface below. Simply put, BetterZip gives you a lot of imagination and space to deal with files. Another great feature is you can secure your files with AES-256 encryption. Even in the archive files, BetterZip allows you to preview the content inside. It works well with over 30 archive formats. It’s the third-party app, but well integrated with macOS. BetterZip 4 is an app that does archiving and unarchiving professionally.