GRP File Type

- The quick facts

What are GRP files and how to open them

Are you having problems opening a GRP file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a GRP file?

GRP files have multiple uses, and Build Engine GRP container is one of them.

Build Engine GRP container

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open GRP files

Important: Different programs may use files with the GRP file extension for different purposes, so unless you are sure which format your GRP file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 5 different GRP openers which you will find listed below.

Last updated: July 13, 2020

More file formats using the GRP extension

Through our research of GRP files, we know that the following formats exist. However, we have not yet analyzed them in detail, and we would love to hear from you if you have information about either of them.

MSX BASIC Graphics bitmap

PlayStation RSD 3D Group


Windows Program Manager Group

Various apps that use files with this extension

These apps are known to open certain types of GRP files. Remember, different programs may use GRP files for different purposes, so you may need to try out a few of them to be able to open your specific file.

MaxView ApplicationMaxView ApplicationUser submitted
GomMixGomMixUser submitted
Dragon UnPACKerDragon UnPACKerUser submitted
Sheet LightningSheet LightningUser submitted
AASReaderAASReaderUser submitted