.Z03 File Extension
File TypeWinZip Third Split Zip File
File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.
What is a Z03 file?
The third file of a split archive created with WinZip, a popular file compression utility; uses the same compression as a standard .ZIP file, but is part of a collection of files that make up a single archive.