TurboTax business is for completing and filing a tax return for a non-living, non-breathing separately taxable entity. It contains:
IRS Form 1065 - Partnerships/Multi-member LLCs
IRS Form 1120 - C-Corporation return
IRS Form 1120-S - S-Corporation return
IRS Form 1041 - Estates and Trust return.
TurboTax Business can not be used to file a personal 1040 tax return of any type, as it does not contain the IRS Form 1040 of any type.
