What are PACK files and how to open them
Are you having problems opening a PACK file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a PACK file?
PACK files have multiple uses, and Java Packed JAR is one of them. Read more about the other uses further down the page.
Java Packed JAR File
These files are used for the deployment of apps written in the Java programming language. They are saved in a compressed format and contain what is commonly referred to as compressed JAR files. JAR files are Java applications.
When you launch a Java app using Java WebStart, packed files may be transferred to your computer and unpacked. This makes the app appear to load faster and saves download bandwidth.
How to open PACK files
Important: Different programs may use files with the PACK file extension for different purposes, so unless you are sure which format your PACK file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested seven different PACK openers which you will find listed below.
Last updated: March 26, 2022
All known file formats using extension .PACK
While Java Packed JAR File is a popular type of PACK-file, we know of 2 different uses of the .PACK file extension. Different software may use files with the same extension for different types of data.
Git Packed Objects
We know that one PACK format is Git Packed Objects. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
Various apps that use files with this extension
These apps are known to open certain types of PACK files. Remember, different programs may use PACK files for different purposes, so you may need to try out a few of them to be able to open your specific file.
|DAEMON Tools||User submitted|
|Pack File Manager||User submitted|
|Thea Render||User submitted|
|Chenomx Library Manager||User submitted|
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