The cross-reference lookups page includes a range of prebuilt cross-reference lookup tables. These perform a range of conversions which you can apply via a map field transformation.
Having selected the cross-reference lookups option from the marketplace, you can browse and install cross-reference lookup tables:
Tables are displayed over a series of pages, which you can step through using page numbers at the bottom of the marketplace. Each item is displayed with a name, description and an install option.
For all information about working with cross-reference lookups, please see our Cross-reference lookups section.