After you file

No the amount paid should be on your 1040 tax return.  You must have entered it in the wrong place.  Hopefully the federal payment didn't show up on your state return.  Federal goes here.......

 

Federal Taxes (or Personal tab for desktop H&B version)

Deductions and Credits

Then scroll way down to Estimates and Other Taxes Paid

Other Income Taxes - Click the Start or Update button

 

Next page second section Payments with Extension

Either Visit All or Click Start or Update by the extension you paid


For 2024 Federal Extension payments should be on schedule 3 line 10. And go to 1040 line 31.