What is a .IDX255 File And How To Open It – Jagex

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Have you came across a file with the .idx255 extension, but it is a file you have never seen before? It is important to know how to open this file – in order to be able to work with it. Thanks to this easy guide you will be able to find out what .idx255 file extension is, how to open it and how to work with it.

What is a .IDX255 file?

The file extension .IDX255 stands for Runescape Cache File. The development of this file was done by Jagex. The file is a game related file.

What to know

There is currently 0 software that can open the .idx255 file on 0 platforms.


We don’t register any way of opening this file extension at the moment, kindly let us know if you have any information.