Merging contacts lists

[Guest]

Following a series of backups I have ended up with three copies of my contacts lists, each with slightly different data. Is there a way of merging them and only having to edit the ones which show differences
Ian Wittet

 

[Cornet]

See the following: http://www.slipstick.com/addins/contacts.htm#dupes

Following a series of backups I have ended up with three copies of my

contacts lists, each with slightly different data. Is there a way of merging
them and only having to edit the ones which show differences?