I have a v strong memory, and screenshot evidence that we used to be able to 'match' by including the Contact ID in the import.

This was discussed in https://chat.civicrm.org/civicrm/pl/sjht4rjsxifwtk6iofe3a19ftw and here is the screenshot I have which I used to explain to a client how to do this back in Nov 2018 (haven't dug out the version but would have been as least the Security Release that was current at the time.

enter image description here

No such field shows on dmaster, and nor does eg 'internal id' or any other variation I could think of.

1 Answer 1


On the first step you have to check "update" where it says For duplicate contacts.

  • ah ha - when i checked on dmaster yes it was defaulted to 'skip' and i ignored that
    – petednz - fuzion
    Commented Apr 18, 2019 at 21:41

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