What is .GRF file extension?
.GRF file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
Compressed file archive used by Ragnarok Online, a Korean multiplayer game; includes compressed images, sounds, and other data files loaded by Ragnarok; installed with the other game files and are named "data.grf" and "sdata.grf."
The contents of a Ragnarok GRF file can be browsed and extracted using GRF Factory, a free utility available at neatocool.com.
You can see a list of software programs here on easyfileopener.com that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.