For vector and raster files, QGIS relies on GDAL/OGR library. It means that nearly any file format that can be opened by GDAL or OGR can be directly opened in QGIS. Until now, some file extensions were not added in the GDAL or OGR file selector, resulting in users believing that QGIS could not open or handle those file formats. To minimise this problem, some new extensions have been added to GDAL and OGR file selector filters:
For vector files:
For raster files:
This feature was developed by Médéric Ribreux