On the Search Workbench tab, select Text Processing Option Sets from the Show menu.
In the Text Processing Option Sets menu, go to Text Processing Option Sets > Search Project TPO Sets or Content TPO Sets > Your Option Set.
Right-click the name of the set you want to export.
Select Export from the menu.
Select “All settings” or “Only settings changed from default” to export.
Click Export. The export uses your browser’s file download defaults.