What is the J2SI file format?
A file with the .J2SI extension is a file known as Jazz Jackrabbit 2 Internet Server Link. It belongs to the Web Files category. This format is associated with Epic Games, Inc..
The reliable way to open a .J2SI file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .J2SI files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
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