Use
The Conversion function only applies to
field objects.The Interface Toolbox allows you to modify the export file to meet the requirements of the third-party system, as well as allowing you to transfer the data in the SAP System to the third-party system. The conversion then modifies the data.
During the conversion, the system replaces the old content (value) of the object with the new content (value).

Features
The system differentiates between three conversion types for field objects:

The Toolbox also includes additional conversion options in the
file layout . You can use these options in addition to or instead of the conversion options in the interface format.Activities
Select the conversion for a field object.