WinMount can mount ZIP, RAR,7Z,WIM or ISO file to a new virtual drive so that you can use those files inside directly. You donot need to extract them first. This save your time and disk space. WinMount supports of mounting ZIP, RAR, 7-zip,Wim, ISO, CUE/BIN, MDS/ MDF, CCD, BWT, IMG, NRG, and ISZ formats.You can also create a disk image file and mount it to a new drive. You can choose if write data back to disk image file or not. This keeps your computer away from virus.For instance, you can mount a ZIP file ,say c:1.zip to a newly created virtual drive. After you execute the corresponding command(File-Mount-Mount Files) in the menu, your operating system will immediately notify you that a new device has been found, and a drive letter say H: will be assigned to it. when the mounting process is finished, you can find all the original files inside that zip file under H:.And WinMount supports packing files ,Enjoy !