05-22-2009 07:23 AM
05-22-2009 08:21 AM
05-23-2009 01:50 PM
Depending on how many you have, it may be worth doing it via an export of some contact fields (inc Email) to CSV.
Putting it in Excel and making the change.
But then, the only way to maerge back the one field would be with Oak!Merge!