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K
Kwang
Level 1
February 15, 2026
Question

E-organizer

  • February 15, 2026
  • 2 replies
  • 13 views

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.

 

2 replies

S
strongsilence
Level 10
February 15, 2026

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.

S
strongsilence
Level 10
February 15, 2026

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.

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