After you file

No.   And it makes no difference.   Your W-4 only tells the employer how much tax to withhold from your paychecks.  It only goes to the employer.   In January your employer gives you a W-2 to show how much income you received and how much tax was withheld.  Your refund or tax due is calculated based on those amounts.  The software uses the filing status that you entered when you prepared your tax return---so if you entered that you were filing as married on your tax return, you were taxed correctly.

 

If you want to change your W-4 going forward:

 

 

https://turbotax.intuit.com/tax-tools/calculators/w4/ 

https://www.irs.gov/individuals/tax-withholding-estimator

https://www.irs.gov/pub/irs-pdf/fw4.pdf

 

 

**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**