.IDX0 File

The idx0 file extension is associated with the RuneScape, a massively multiplayer role-playing computer game for written for JAVA runtime environment.

The idx0 file contains cache index created and used by RuneScape.

An idx0 file extension is related to the RunScape, an MMORPG computer game. An idx0 file stores cache index.

How to open:

In vast majority of cases, users cannot access temporary saved data.

How to convert:

Temporary files are usually not meant to be converted to anything else.