I'm not sure this will work, but I suggest you try rerunning the "Federal Review" and "Smart Check".
These will often point you to a specific form or worksheet. They are both located under the "Federal Taxes" tab which is at the top of your screen on the gray bar. If this shows what to change, do so, and rerun the review until no errors are found.
If this does not work, you can use the forms method to manually browse each of your tax forms. If forms have errors, they may appear highlighted in yellow or red. It may be tedious to do so for 500 entries, but if you want to find it, it may be needed.
To use the Forms Method:
Click the "Forms" icon in the blue bar at the top right of your screen.
From the list of forms, click the form you want to review.
Review as many forms as needed.
Hint: You can also review your state(s) forms here.
To return to the step-by-step process, click the "step-by-step" which is in the blue bar at the top right of your screen, where the "Forms" icon formerly was located.
Another alternative is to use the "Print Preview" Method. This creates a PDF file that you can browse, use the "find" function on and if you choose, it can include all documents, worksheets and forms.
To Use the "Print Preview" Method:
Click the "Print Center" tab. It is located in the upper right corner next to a printer icon on the gray bar.
Click on the radio button that has the pages you want to view.
Click the "Preview Print Copy" button.
This will create a PDF that you can browse and review. You can also print or save this pdf if desired.
Before you file, I suggest using this method to save on your computer a PDF file that contains "Tax Returns, All calculations." This provides you a file you can use for future reference if needed.
For online product users
To see all these forms you need to pay any fees first with a credit card.
https://ttlc.intuit.com/community/accessing/help/how-do-i-preview-my-turbotax-online-return-before-f...
If none of this works, your idea of paper filing and letting the IRS sort it out is a viable alternative.
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