Can I just e-file my taxes and federal was accepted and just got another W2 today can I file that one separately?

Your pending return can not be changed. If your return is accepted you will get an email. If the return is rejected the e-mail will tell you what to correct and you can make changes before e-filing again. Amend to change an accepted return after you get your refund. Instructions below. https://ttlc.intuit.com/community/amending/help/how-to-amend-change-or-correct-a-return-you-already-filed/00/25588

No, you cannot file another return with the W-2 you just received. This return will not be accepted.

You will need to amend your 2022 return once the IRS releases the Forms to amend. The release date is expected to be February 23rd.

Once the IRS starts accepting amended returns, you will need to file Form 1040X. Simply log in to your TurboTax account and select "Amend a return that was filed and accepted." You will need to include a reason for amending. 

The IRS sometimes may adjust your refund for the additional W-2. You will receive a letter explaining the adjustment. You will also know if an adjustment was made based on the refund you received. If no adjustments were made to your refund, please follow the steps in the guidance below:

How to Amend a Return with TurboTax

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