First of all, congratulations on your marriage.
Usually, married filing jointly results in lower overall taxes for most couples. When you file jointly, you get a higher standard deduction than you would for married filing separately and you would qualify for more tax credits. With a married filing joint tax return, both you and your spouse are both responsible for the tax return.
When you filing married filing separately, you're responsible for your own tax bill. This filing status generally results in higher overall taxes for couples. If you are in a community property state, you and your spouse would need to report a portion of each other's income and expenses.
Within TurboTax, you can create see which option gets you the best tax situation. If you're using TurboTax Online you will need to create three accounts: one that is married filing jointly, one filing married filing separately with just your information, and one filing married filing separately with just your spouse's information.
See: Married Filing Jointly vs Separately
