.RLE File Extension
File Type 1Golly Simulation Pattern File
What is an RLE file?
File created by Golly, a life-simulation game based off of Conway's Game of Life concept; saves the state of a simulation, which is stored as a two-dimensional grid; can also be saved as a compressed RLE file that uses the .RLE.GZ extension.
File Type 2Run Length Encoded Bitmap
.RLE File Association 2
4 or 8-bit RLE-encoded bitmap image; basically a .DIB file that uses RLE (Run-length encoding) compression; common image format used in early versions of Windows and CompuServe software.
The RLE image format is the native format used by the Utah Raster Toolkit, a collection of programs and C routines for managing raster images.