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How To: Convert shapefile polygons to polylines SummaryFor a variety of mapping and analytical reasons, converting polygons to polylines (and vice-versa) is a useful workflow in ArcGIS. All shared boundaries become one line segments, and non-shared boundaries another segment. In this article, polygons are converted to polylines by copying and pasting them in a polyline shapefile. Note:Polygons can be converted to polylines using the or tools.
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These tools are only available with the ArcGIS Desktop Advanced license. ProcedureBelow are the steps to convert polygons to polylines in ArcMap or ArcGIS Pro: Note:In ArcMap and ArcGIS Pro, the polygon and polyline shapefiles or feature classes must be stored in the same location to enable copying and pasting features.