The extensions end in .z00, .z01 and .z02. (Emailed as such to get around the typical 10Mb attachment limit per email.) I have put all 3 files into one directory. I can use both 7-zip and WinZip to open the first file (the .z00 file) and it lists the contents of the zip but when trying to extract the files both programs are reporting errors.

Understanding the Context

I have received several archives and they all have extensions of .z01 .z02 .z03 etc. There is no .zip file and no .z00 file. If I transfer these files to my Mac and run them through un-stuffit,... I have multiple z01,z02, but missing a zip file.

Key Insights

Is it still possible to unzip? If not, is there any repair tool that you recommend? A .z01 file is not necessarily a file in the RAR format. This means you cannot unpack it using unrar. Info about z01 A Z01 file is the first of multiple files that make up a split archive created with select file compression utilities, such as Corel WinZip and WinRAR.

Final Thoughts

It contains one or more files that have been compressed with Zip compression to save space. Split RAR archives are (in my ... This was the straight forward and only solution that worked for me on OS X (taken from here). 1. To create a split zip archive (a series of files named zip, z01, z02...), run following command in Terminal: zip -s 100m -x "*.DS_Store" -r split-foo.zip foo/ 2. To extract a split zip archive (a series of files named zip, z01, z02...), run following command in Terminal: First, combine the split ...

Does anyone know how to set file associations back to default on windows 8. Currently the file extention "z01" is opening with "winRar" & i want to reset it back to "unknown program". One use of split archives is storing a large archive on multiple removable media. For a split archive with 20 split files the files are typically named (replace ARCHIVE with the name of your archive) ARCHIVE.z01, ARCHIVE.z02, ..., ARCHIVE.z19, ARCHIVE.zip.