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Merging duplicate records through batch import

Having analysed an export of our NationBuilder data, it apparent that we have a large number of duplicate records, more than can be managed by merging one by one.

Is it possible to indicate on my NationBuilder import file that these records are duplicates? i.e. nationbuilder_id 10558 is a duplicate of nationbuilder_id 882

 

Official response from

The best thing to do in that situation is to replace nationbuilder_id 10558 with nationbuilder_id 882. The importer will then identify those two rows as the same person.

When you do the import, add a tag (ex: "import dedupes") to the records. All of the new, merged records will have this tag, and you can delete the records that do not have the tag as a method of cleaning out the now-redundant records. 

Lastly, I would recommend not checking "overwrite existing data." Instead of overwriting, the importer will add data from 10558 to 882. 

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