Files that contain the .pack file extension are most commonly used for the Java environment. These files are saved in a compressed file format and contain what are commonly referred to as compressed JAR files.
The PACK files usually contain common Java updates. The files are used when performing updates on a user's computer. These updates are installed automatically, ensuring that a user's system is up to date with the latest version of the software.
The .pack file extension is also used for GLSL pack files. These files are used by the OpenGL Shading Language to store pack file information.
Try a universal file viewer
File.org aims to be the go-to resource for file type- and related software information. We spend countless hours researching various file formats and software that can open, convert, create or otherwise work with those files.
If you have additional information about the PACK file format or software that uses files with the PACK suffix, please do get in touch - we would love hearing from you.