WinArchiver supports the following file formats,
.zip
(WinZip Files)
.rar (WinRAR Files)
.7z (7z Files)
.mzp (Mountable Archive)
.iso (CD/DVD Image File)
.001 (7z Sub Volume)
.arj
.bz2, .bzip2
.gz, .gzip
.tar, .taz, .tbz, .tbz2, .tgz, .tpz
.cab
.cpio
.deb
.lha
.lzh
.rpm
.split
.swm
.wim (Windows Imaging File)
.z
.xdi (Extended Disc Image File)
.daa (PowerISO File)
.bin, .cue
.mdf, .mds
.ashdisc
.bwi, .b5i
.lcd
.img
.cdi
.cif
.p01
.pdi
.nrg (Nero Disc Image)
.ncd
.pxi
.gi
.fcd
.vcd
.c2d
.dmg (Apple Disc Image)
.bif
.ima
.flp
.uif (MagicISO File)
.isz (Compressed ISO File)