Select all desired symbols for the export.   The available symbols list is populated with all data series (excluding those already selected).  Each symbol (data series) selected for export must have an export symbol defined.  The export symbol will be used during exports to write the symbol to the export file (for a single file export) or as the filename (for multiple file export).  By default the export symbol for each contract will be the "LocalSymbol" as defined by IB.  You may override this symbol with whatever symbol you want, but each symbol should be unique for each export.

Use the filters on the bottom to restrict the available symbols list if desired. 

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