How does MKTO determine which duplicate it updates in list imports?

Question

Question as the headline states. If there are duplicates, and I make a list import on that person with 'email adress' and 'random field' = X, it seems to always populate only one of the dupes with X, and it's always the same dupe being populated (when running the experiment multiple times). Is there a way to update ALL dupes with X, or somehow control WHICH dupe is updated?

Thanks in advance!

Jim_Thao7 · Accepted Answer

It should be the most recently updated record.

Gerard_Donnell4 · Answer

When there is a dupe Marketo will update the most recently activated account. If you look at the activity history on your dupes the one that has been updated will have been active more recently.

Is there a way to update ALL dupes with X, or somehow control WHICH dupe is updated?

Is there a reason why you don't merge them?

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