Let me see if I understand. You say that you received a corrected W-2 from 2023, and all it had was a change of address? All the numbers were the same?
Is it true that you did file a 2023 Colorado return, but now think that you should not have?
If all the numbers on the W-2C are unchanged, then it is unlikely that you will need to file an amended federal return. That is, you could directly file a Colorado return, whether with the state or through TurboTax. However, please note that if you file directly with Colorado, that you should include a copy of your federal return with the Colorado return (TurboTax does this automatically). The Colorado return should show no Colorado income (since you lived in Texas all year).
If you use TurboTax, do NOT add the corrected W-2C to your return with the prior W-2, but replace the old W-2 with the W-2C.
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