If you efiled, double-check with this tool to be sure the return was efiled successfully and accepted:
<a rel="nofollow" target="_blank" href="https://shop.turbotax.intuit.com/efile/efile_status_lookup.jsp">https://shop.turbotax.intuit.com/efile/efile_status_lookup.jsp</a>
If that showed it was accepted (or if you mailed the return), what do you see at the IRS website below for the status of your Federal refund?
<a rel="nofollow" target="_blank" href="https://www.irs.gov/Refunds">https://www.irs.gov/Refunds</a>
If that IRS tool shows that the refund has been sent, report back for more info on how to check on it.
If the IRS tool says it is still "being processed", then since it's been longer than 21 days, we can tell you how to speak to a live agent at the IRS to see if they can tell you anything about the delay.
To track a state refund:
<a rel="nofollow" target="_blank" href="https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refund">https://ttlc.intuit.com/questions/1899433-how-do-i-track-my-state-refund</a>
If it's been longer than 21 days since you filed your return, consider contacting the IRS directly to inquire about the status of your tax return. You will find the contact number listed in the TurboTax FAQ below: https://ttlc.intuit.com/replies/3302084