File archive compressed with Zzip, a compression tool for Windows and Unix; uses a compression algorithm based primarily on the Burrows-Wheeler Transform method; supports file integrity tests and built-in multimedia detection and compression.

How do I open a ZZ file?

How to Open a Z File. Z files can be opened with most zip/unzip programs. Some . Z files may have another archive file inside of it that's compressed in another format.

What is a PDF Z file?

Z file extensions are compressed Unix-based machine files, though it has been outshined by the GNU Gzip compression in terms of popularity among users. Because it appears to have a double file extension (such as . PDF. z), users may be tricked into thinking that they're opening a PDF instead of a .