I have read that shapefiles are limited to 2 GB, yet I have found that QGIS can go beyond that limit. In this case, I was generating contours from DEMs. The output would have been greater than 2 GB, and ArcMap failed, but QGIS created the output. Has anyone else noticed this? Just curious…

  • 2
    Yes, QGIS generates non-conformant "shapefiles". File geodatabase would use a fraction of the size, and not be restricted to an early 1990s limitation.
    – Vince
    Jul 3 '20 at 13:40
  • 2
    QGIS uses GDAL Shapefile driver which can exceed this limit, see gis.stackexchange.com/a/312396/107424
    – MrXsquared
    Jul 3 '20 at 13:45
  • Thanks, all. After further processing (simplifying, etc.) I may get to below 2 GB, but if I don’t I’ll go the route of a FGDB. (I’d go with GPKG if I could but I operate in an Esri-centric universe.)
    – bkepl
    Jul 4 '20 at 3:43

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