After you file

WHY HASN’T MY 2018 RETURN BEEN ACCEPTED YET?

The IRS is not going to begin to accept/reject returns until January 28.  Until then it is pending on a server.  You will get an email after that telling you if your return has been accepted or rejected.

 

https://ttlc.intuit.com/questions/4169486-can-i-change-my-return-if-i-already-submitted-it-and-you-r...