NOTE: Please repeat below steps for orders, products, links and products export.
# make export with "Save/Update Export Preset" checked and "Export Preset Title" entered
# confirm, that on next export new export preset with entered "Export Preset Title" is available and working (chages export configuration on selection)
# press "Delete" button when some export preset is chosen and press "OK" in confirmation window
# close export window
# confirm, that on next export deleted preset is not available