I think ArcView is more tolerant. That spatial data importer code is buggy and not robust. It is intended not as a commercial tool but only as some sample code so it breaks easily.

Mif/Mid is the standard MapInfo interchange format like ESRI's e00. The Mif holds "feature" or geographical information and the mid holds data associated with those features. As I remember ArcView has a mifshape, shapemif command line tool, err - what version of ArcView do you have?

Eric

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