The LRCAT - Adobe Photoshop Lightroom Catalog File is a digital photographic management system and editing application. The LRCAT - Adobe Photoshop Lightroom Catalog File is a file that is used by Adobe Photoshop Lightroom to store organized information in reference to digital photos. LRCAT files allows users to catalog a collection of data. The files are actually stored with the corresponding or supporting data file that has a LRDATA ext. Both of the files are saved in the same manner by using the prefix of the original file name. Having file extensions that correspond with file names allows the user to easily manage and locate files; making the editing process flow a lot smoother.