If you only need to do this once than export your table, bring it into excel and drag the ID down to auto populate the field and export it back to a DBF. You'll need Access as an intermediary converter. This would be the quick and dirty way Meg McGaffin GIS Analyst City of Milford, CT<http://www.ci.milford.ct.us/> 203-783-3232 [log in to unmask] CT GIS User Network<http://ctgis.uconn.edu/index.htm> From: Unmoderated discussion list for Connecticut GIS Users [mailto:[log in to unmask]] On Behalf Of Thad Dymkowski Sent: Monday, February 22, 2016 12:42 PM To: [log in to unmask] Subject: [CTGIS-L] GIS Challenge Colleagues and Friends, I issue you this challenge- I am trying to create an ID value that has a LETTER in it based on a numerical ID value... what would be the field calculator calculation code for generating an alphabetic value? For example, for ID 1- A, 2-B, etc... I look forward to the answer! Kind regards, Thad Thad Dymkowski, GISP GIS Manager [cid:[log in to unmask]] PRIME3SG: the Technology division of PRIME AE Group, Inc. 55 Capital Blvd. | 2nd Floor | Rocky Hill, Connecticut 06067 P: 860 436 5600 | C: 860 657 6108 | [log in to unmask]<mailto:[log in to unmask]> Connecting. Creating. Conserving. Community. www.prime3sg.com<http://www.prime3sg.com/> ------------------------------------------------------------------------- This list (CTGIS-L) is an unmoderated discussion list for all CT GIS Users. If you no longer wish to receive e-mail from this list, you can remove yourself by going to http://listserv.uconn.edu/ctgis-l.html ------------------------------------------------------------------------- This list (CTGIS-L) is an unmoderated discussion list for all CT GIS Users. If you no longer wish to receive e-mail from this list, you can remove yourself by going to http://listserv.uconn.edu/ctgis-l.html