Auto-Subscribing Customers

  • 31 October 2023
  • 4 replies


We have legacy data that our legal team have approved to receive marketing communications, they are already in Klayvio but flagged as Email Never subscribed.

How do we adjust them to Subscribed in bulk? 


Best answer by bluesnapper 31 October 2023, 10:55

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4 replies

Userlevel 7
Badge +39

Welcome to the community @harry.fremantle 

To do this, you import a csv of those contacts into your target Klaviyo list. As they are already in Klaviyo, that import could just be email addresses.

Set the target Klaviyo list to single opt-in before import. If you want double-opt in, you can always flip it back after importing. 

During the import of your csv to the Klaviyo list make sure you check the control ‘Yes, update subscription status for all imported contacts to 'subscribed'’. After the import, those contacts will be set to ‘email subscribed’.

I suggest you do a trial run with test contacts + a test list to ensure you’re comfortable with the process before you do the actual list.

Hope that helps


Userlevel 7
Badge +45

Adding a quick note here, when you do import make sure there's no (welcome) flow that gets triggered


Omar Lovert // Polaris Growth // Klaviyo Master Platinum Partner

We help with e-commerce growth through CRO, Klaviyo and CVO


Thanks @bluesnapper! Really useful 

Userlevel 7
Badge +39

No problem @harry.fremantle !