TurboTax does have import limits. See the information below for more information:
TurboTax limits:
- Both TurboTax Online and TurboTax Desktop can support up to 10,000 of any combination of transactions and imports.
- TurboTax Online can support up to 4,000 non-covered transactions (items such as options or cryptocurrency that aren't reported to the IRS).
- The import file size is limited to 4MB.