Unix Tar archive zipped using a basic Unix compression algorithm; combines a .TAR archive and .Z file; used for archiving collections of files on Unix-based systems.
The contents of a TZ file can be decompressed and extracted in Unix with the following command: tar -xzvf [filename].
Program(s) that open tz files
Mac: Smith Micro StuffIt Deluxe for Mac Windows: Smith Micro StuffIt Deluxe for Windows; Corel WinZip
Unix: tar; gunzip
Information from FileInfo.com - The File Extensions Resource.
http://www.fileinfo.com/extension/tz