>> IDX255 file

IDX255 file format description

Many people share .idx255 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .idx255 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .idx255 files.

1 filename extension(s) found in our database.

.idx255 - Runescape Cache

The IDX255 game data files are related to RuneScape. IDX255 file is a Runescape Cache. RuneScape is a browser-based (Java) massively multiplayer online role-playing game (MMORPG) operated by British developer Jagex Ltd.

Game Data files
- / -
Runescape Cache related extensions:
Runescape Cache Index
RuneScape Data

Naturally, other applications may also use the .idx255 file extension. Even harmful programs can create .idx255 files. Be especially cautious with .idx255 files coming from an unknown source!

Can't open a .idx255 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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