A pack.gz file extension is related to the Oracle Pack200 software and used for its compressed archives.
Software that open pack.gz file
PACK.GZ file extension - Pack200 compressed archive
What is pack.gz file? How to open pack.gz files?
File type specification:
The pack.gz file extension is associated with the Oracle Pack200 that is used to compress large files very efficiently, depending on the density and size of the class files in the JAR file.
One can expect compression to 1/9 the size of the JAR file, if it contains only class files and is in the order of several MB.
The pack.gz file stores Pack200 archive compressed with gzip compression.
The default software associated to open pack.gz file:
Company or developer:
Oracle Corporation
Java Web Start is technology developed by Oracle and used to deploy standalone JAVA applications over the network.
List of recommended software applications associated to the .pack.gz file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open pack.gz file, edit pack.gz file, convert pack.gz file, view pack.gz file, play pack.gz file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with pack.gz file - Pack200 compressed archive
Click on the software link for more information about Java Web Start. Java Web Start uses pack.gz file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).