APR file is a GIS (Geographical Information System) file developed by Esri. APR file contains complete data on mapping in text form and therefore the file can be viewed using any text editor. This file format is commonly used by ArcView software, one of the tools available in ArcGIS package.

GIS solutions are typically used by larger companies that process geographical data for analysis or client-oriented business purposes. APR are also sometimes creted by local government bodies and authorities.