But I can see the application where the number of digits would increase or decrease.

The latest version: ‘EV-’&REPT(‘0’,5-LEN({Autonumber}&’’))&{Autonumber}. The leading zeros will always be 5 digits.

Yep, exactly. Works like a charm even with the form submissions. Thanks @Jeremy_Oglesby

Thanks, I don’t think I phrased the question very well. I’ve set up my primary formula with this: ‘EV-’&REPT(‘0’,{Leading Zeros}-LEN({Autonumber}&’’))&{Autonumber} When a user submits a new record via a form view, the formula does pick up the 'Leadin...