# Multiple Values and Duplicate Values

Source: [https://docs.virtosoftware.com/docs/virto-cascade-lookup-web-part/working-with-cross-site-lookups/adding-new-cross-site-lookup-columns/multiple-values-and-duplicate-values/](https://docs.virtosoftware.com/docs/virto-cascade-lookup-web-part/working-with-cross-site-lookups/adding-new-cross-site-lookup-columns/multiple-values-and-duplicate-values/)
Product: Virto Cross-Site Lookup Web Part
Updated: 2026-08-12


Check the box “Allow multiple values” in case you need to enable multiple values in your lookup. Check the box “Remove duplicate items” if you need to exclude duplicated items from the lookup.

![Allow multiple values and Remove duplicate items checkboxes in the Virto Cross-Site Lookup settings](https://img-docs.virtosoftware.com/wp-content/uploads/2024/10/multiple_values_and_duplicate_values_1.png)