Hey there!
We’re about to run a script on our side this week to migrate our historical Zendesk Ticket data to Intercom.
Has anyone in the community had experience doing this?
Curious to know how you prevent email notifications from going out to customers, and if its possible to backdate the conversations when you are creating them.
Cheers,
Ian
Hi Ian
Have you found out anything about this? We have exactly the same problem with the notification.
Best,
Fabian
Hi
You can turn off email notifications for your users in your email notification settings here:

This should prevent all notifications for in-app created conversations. That said, the notification won't send until there is an admin reply, so if you are only creating end-user started conversations with no teammate replies- there will not be a notification. If you are creating a full conversation, I'd suggest turning off the notification setting above!
Hi
A few things to keep in mind before running your Zendesk to Intercom migration:
- Disable outbound messaging in Intercom before importing any records. This includes campaigns, triggers, and any live workflows to prevent sending emails to customers during the migration.
- Match custom fields: Make sure your Intercom workspace has all relevant custom fields created ahead of time—for tickets, users, and organizations. This will make the field mapping easier and ensure nothing important is lost.
- Maintain data structure: If you're migrating organizations or companies, be sure the same fields exist in Intercom for smoother association.
If you'd rather avoid writing and testing a script, Help Desk Migration can handle Zendesk to Intercom transfers automatically and lets you control what data gets imported, how it’s mapped, and how it's tagged.
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