Usually filing joint is the better filing status but sometimes it is better to file separate.
When Married Filing Separately Will Save You Taxes
https://turbotax.intuit.com/tax-tools/tax-tips/Family/When-Married-Filing-Separately-Will-Save-You-T...-------------------------------------------------------
With the Online version it is more complicated to compare the filing status. You would need to prepare a joint return, then create two separate accounts for married filing separate. You can get a quick idea of what filing status would be better for you by using TurboTax's TaxCaster, enter your information as Married Filing Joint, then enter each of your own information as Married Filing Separate
https://turbotax.intuit.com/tax-tools/calculators/taxcaster/
