ADF is a filename extensions associated with a advanced geographic information platform ArcGIS developed by Esri. Data in ADF file can be exported to other image formats, such as BMP, TIFF, or JPG, by opening such file with ArcGIS and choosing appropriate option.

ADF files contain information about a class of data in terms of range of values (typically presented as vectors) related to geographical data models. Stored values represent an object in space (or an universe) and can be extracted from aerial or satellite images.