What is the Maximum Length of a Data Column Name? Joe Vetoe Updated September 03, 2019 18:03 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 clear a value from an element? Comments 0 comments Please sign in to leave a comment.