Deductions & credits
No, you won't be able to request an extension for your 2021 amended return. As far as 2022, you can put in the corrected information from the W2C into the program.
Also for 2021, if you receive a corrected W2C for 2021, you may also edit the W2 entry for that year. After you make the correction and continue past the W2, there will be a screen that says Let's Check for Uncommon Situations. Make sure you check the box that says W2 was corrected by my employer. You will also perform this same procedure in your 2022 return.
Here is a snapshot of that screen.
