1806 OpenEXR 2 Image (Raster) OpenEXR is a raster image file format developed by Industrial Light and Magic for use in computer imaging applications. The published specification for OpenEXR describes version 2 of the file format. Version 1 was used internally by Industrial Light and Magic before OpenEXR was released as open source. 1 Digital Preservation Department / The National Archives 22 Mar 2017 22 Mar 2017 fmt/1001 PUID image/x-exr MIME exr File extension 1364 OpenEXR BOF: Magic 0x762F3101, version 02 http://www.openexr.com/openexrfilelayout.pdf 1 Absolute from BOF 0 0 762F310102