My fed tax return could not be filed in April bc of a mistake which wouldn't let me to claim my adult child. I filed an extension. I am ready to file now, how to proceed?

My adult daughter, who was a student during 2023, mistakenly forgot to check the box on her taxes which would allow someone else to claim her. We figured this out when I was filing my own taxes. I was out of time and chose to file an extension on my federal return. I am now ready to file my taxes for 2023 but do not know how to make that work on this site. I printed my return but never mailed it in because I filed the extension on the federal IRS site.  Does anyone know how I can electronically file my federal taxes on turbotax site now?