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Patrick ConnerPatrick Conner 

Mass Merge Custom Objects into Standard Objects

We have a custom object "Paid Account", and would like to merge all Paid Accounts into standard Account objects. Both objects share the child object "Contact". I can do this by mapping all fields and upserting Paid Accounts to Accounts, moving Contacts parent Paid Account ID to the relevant Account ID, moving all tasks from Paid Accounts to Accounts, and finally mapping all custom related objects to Account partner objects.

However, it seems there is no way to move the Paid Account history in to Account history, and this is imperitive. Is there any way to do this at all? If not, is there any way to mass merge all these custom objects into the standard objects maintaining custom object history?

Thank you!