It depends--TurboTax Online, yes, two purchases; TurboTax CD/Download, just one purchase. Either way, married filing separate requires filing two "sets" of returns (federal and state) for two separate filers. TurboTax CD/Download allows up to five filers per purchase.
Click on the link to learn more about What is my filing status?
Is it better for a married couple to file jointly or separately?
There are typically more advantages to filing jointly. The only time it may be useful to file separately would be for injured or innocent spouse reasons.
