Why haven't I receive my third stimulus check

TurboTax cannot track your 3rd stimulus or tell you when it will arrive.  The IRS is issuing 3rd stimulus checks on its own timetable.

 

You can use the IRS Get My Payment site to see what is expected for your 3rd stimulus check:

 

https://www.irs.gov/coronavirus/get-my-payment

 

https://www.irs.gov/coronavirus/get-my-payment-frequently-asked-questions