These folders contain an archive of the disc's Original PARAM.SFO, EBOOT.BIN, LIC.DAT, PS3_DISC.SFB, and TROPHY.TRP files.^*
If available, the IRD (ISO Rebuild Data) files are also made available. (In some cases, multiple IRD files are available)
Check our Windows Apps for the PS3 ISO Rebuilding software.
Check our firmware archive if you need PS3UPDAT.PUP.

These are NOT ISOs or ROMs, just correction data.

^* All archives contain at least PARAM.SFO and EBOOT.BIN, however only .7z files contain LIC.DAT and PS3_DISC.SFB.
Only .7z modified in the year 2020 or later contain TROPHY.TRP.

Java — Archive

A JAR (Java ARchive) is a package file format that bundles multiple Java class files, metadata, and resources (like images, sounds, properties files) into a single compressed file, typically using the ZIP algorithm.

Because they are compressed, you cannot easily view or edit source files inside them without specialized tools like JD-GUI or a standard unzip utility. java archive

Every JAR file can include a special metadata file called a (located at META-INF/MANIFEST.MF ). This text file contains "name: value" pairs that define how the archive should behave. For example, to create an executable JAR , the manifest must include a Main-Class entry that points to the class containing the main() method. How to Create and Use a Java Archive A JAR (Java ARchive) is a package file

To extract the files:

There are three main ways to create a JAR: using the standard JDK tool, using an IDE, or using a build tool (the professional standard). This text file contains "name: value" pairs that

If your OS has the Java Runtime Environment (JRE) installed and file associations are correct, double-clicking an executable JAR will run it. However, if it is a library JAR (no Main-Class defined), nothing will happen.