The IRS issues refunds, not TurboTax. Unfortunately, this means that we can't say for sure why you haven’t received your refund yet. You can track your refund at the IRS Where's My Refund? site. You'll need your Social Security number or ITIN, filing status, and the exact amount of your refund to check your status.
A lot of taxpayers are in the same situation as you due to the IRS backlog right now. Although The IRS issues most refunds from e-filed returns in about 21 days, some returns take more time to review. In addition, the IRS is processing millions of returns, as well as stimulus checks, and they are doing everything they can to be as prompt as possible.
For some taxpayers, PATH Act requirements and other identity-protection safeguards implemented by the IRS may account for longer wait times.
Other things that can delay your refund include, but are not limited to: