Hi Aca Kim,

Thank you for letting us know. If you're still seeing 2 forms per page, please contact our QuickBooks Desktop Support. They can use more tools like screen share to check this further.

1. Click on Help.
2. Choose QuickBooks Desktop Help.
3. Choose Contact us.
4. In the description field, enter something like 1099 NEC concern and hit Continue.
5. Click Message an agent.

You can check out their schedule in this article: Contact QuickBooks Desktop support.

Let me know if you have other questions in mind.