How To: Rename shapefile data fields in ArcGIS Pro Summary. In some instances, it is necessary to rename the fields of a shapefile attribute table in ArcGIS Pro. However, altering the shapefile field properties, including field names, is not supported when the field is saved. Refer to ArcGIS Pro: Limitation of shapefiles for more information. A shapefile is one of the spatial data formats that you can work with and edit in ArcGIS. The shapefile format defines the geometry and attributes of geographically referenced features in three or more files with specific file extensions that should be stored in the same project workspace. I found this solution to download data from ArcGIS Online Help: It basically says that you can export a CSV or Shapefile or KML from a layer. if it's a hosted feature service on ArcGIS Online ; and you own the features; and you are either an administrator for your ArcGIS Online organization; or the service owner allowed you to export the data.