How do I edit Donor Custom Fields in Campaign Management? Lesley Browne August 08, 2019 01:41 Updated Follow Select the Companies node in the CM navigation tree. Select the “Donors” option from the navigation tree. Search for the donor you wish to edit and click the Fields tab at the top of the page. Make desired changes. Click the “Save/Update” link. Comments 0 comments Please sign in to leave a comment.