.AVX File Extension
File Type 1Avid Plugin File
What is an AVX file?
Software extension used by Avid products such as Media Composer and Xpress; adds functionality to the software such as custom video effects or new file format importing; enables third-party developers to extend the base application features.
File Type 2ArcView Extension File
.AVX File Association 2
Add-on file used by ArcView, a program used for GIS data analysis and visualization; contains program code that is used to add new functionality to ArcView; may be used to add various extensions, including graphing functions, statistical analysis, and data import and export capabilities.
AVX files are stored in a plain text format.
NOTE: ArcView is included with ESRI's ArcGIS Desktop GIS software.