RD4 file extension

Ray Dream Designer Graphics

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A .RD4 file is known as a Ray Dream Designer Graphics.

This file extension was added to our database by a visitor to this site, but no further information was provided. We have yet to investigate the RD4 file extension any further, or there was simply not enough information available at the time to report accurately on this format.

However, it is possible that other file formats exist that use the RD4 extension, so please let us know if you do not think this extension matches the file format you are looking for.