After you file

without knowing the a/c and password, you can't access it.   you would have to contact Turbotax support to see if they will help.

how the IRS and the courts view non-consensual returns. Following is an overview:

  1. An individual may not file a joint tax return without the consent of the marital partner.
  2. Filing a joint tax return without the consent of the marital partner is a crime.
  3. Similarly, signing your name on the return without your consent is considered forgery, which is also a crime.
  4. If a joint return was filed without your consent, the IRS will automatically deem the non-consensual joint tax return to be fraudulent.
  5. If the IRS decides that your spouse filed the joint return intentionally and without your consent, he may face hefty financial penalties.
  6. In addition, if the IRS decides that your spouse filed the joint return intentionally and without your consent, your spouse may have to go to jail.
  7. If the non-consensual return is filed during a divorce proceeding, you may be entitled to relief from the family court in Oklahoma City or other courts that is handling your case.

https://www.irs.gov/individuals/how-do-you-report-suspected-tax-fraud-activity 

 

simpler may be to file form 4506-T with the iRS

https://www.irs.gov/pub/irs-pdf/f4506t.pdf 

Individuals. Transcripts of jointly filed tax returns may be
furnished to either spouse. Only one signature is required.
Sign Form 4506-T exactly as your name appeared on the
original return.