What is the Maximum Length of a Data Column Name? Joe Vetoe Updated July 21, 2017 14:52 Follow Form Builder Common Questions Data column names have a maximum character length of 65. Related articles What are the Character Limits on Form Builder? How do I keep a running total of a subform element? How do I filter an Option List? How do I count the number of Multi-Paging Subform records? How do I give company admin rights to a user? Comments 0 comments Please sign in to leave a comment.