Dear All,  If you want to call any parent site collection list information in to child list collection look up column then here is a solution for it: Step 1: Open your parent site collection  Step 2: Go to Site Actions > Site Settings Step 3: Under Galleries select Site Columns Step 4: Click Create at the top of the list Step 5: Give the column a title you will reference in your "child" lists Step 6: Select Lookup as the column type Step 7: Select the site's column group to categorize the new column Step 8: Select the list to lookup from the "Get information from" dropdown Step 9: Select the column of the lookup list you want to reference as the key in your "child" lists (I selected "Title (linked to item)" so that you can easily reference the parent item from your child list item) Step 10: Click OK **************** Now come back to your child site collection where you want to use this information and ...