Guides to the various file formats and tools for data format conversions. Find conversion utilities to convert from one GIS application to another.
How To Tell GIS File Formats
Description of common extensions and which GIS software they belong to.
Specification home page for GeoTIFF, a georeferenced image file.
GIS Data Formats
Brief article by the GIS Data Depot outlining some common GIS data formats.
Document from the U.S. Census Bureau on Topologically Integrated Geographic Encoding and Referencing system (TIGER).
Translators and Converters
Translators and converters to convert one type of GIS format to another. Find resources for converting MapInfo, ArcView, SDTS and many other files.