Supported Formats
- BetterZip can open and create these archive formats: ZIP, TAR, TGZ, TBZ, TXZ, 7-ZIP, and — using the external commandline utility — RAR.
- Additionally, BetterZip can open and extract these archive formats: Apple Disk Images, TNEF (winmail.dat), ARJ, LZH, ISO, CHM, CAB, CPIO, DEB, RPM, StuffIt's SIT, BinHex, and MacBinary.
- Such archives usually have these file extensions: .zip, .epub, .jar, .war, .ear, .sar, .par, .wsr, .rar, .cbz, .cbr, .tar, .tgz, .tbz, .txz, .gz, .bz, .bz2, .cpio, .cpgz, .7z, .dmg, .lha, .lzh, .arj, .iso, .chm, .cab, .deb, .rpm, .sit, .hqx, .bin.
- BetterZip can also join split files with enumerated file extensions 001, 002, ...
To configure which of these file types should be handled by BetterZip by default, e.g., when you double-click a file in Finder, go to BetterZip » Preferences » File Types and select the types to handle.
To add your own file extensions to this list, scroll to the last entry in the list named “User-Defined Archive” and click the field in the column “Extensions”. Then enter the extensions without a dot, separated by commas.