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After recent updates,
When I import tax's e-organizer, I received the following error message:
"Not able to open E-Organizer data, The firm number attached to this E-organizer data does not match your firm number:"
This is the 2nd client that I have the same problem. I spent 1.5 hours on the phone with Lacerte Tech Support on Friday and the agent wasn't able to find the root cause and fix it.
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That means the Firm ID embedded in the .EOY / E-Organizer file header does not match the Firm ID stored in your current Lacerte installation.
This is not a client-file issue — it is a firm-configuration mismatch.
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Organizer created under a different firm setup
This is the #1 cause.
Happens when:
• You restored prior-year data from backup
• You changed firm info mid-year
• You use multiple preparer firm profiles
• Lacerte auto-generated a new firm ID after reinstall
Even a tiny change (like EIN formatting) can trigger this.
