Hi,
I have successfully uploaded over 5 years of historical order data, which worked great, but I now realize there are some additional fields I should have included in the CSV files I uploaded. If I just re-upload all the same CSV files with the new columns of values included will this append the extra field values to the existing orders in Klaviyo, as it will have the same Order ID/Event ID in the second upload?
Thanks in advance for any help or pointers.
Shane
Best answer by David To
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