In almost all situations, it is
more beneficial to file Married Filing Jointly than Married Filing Separately.
With TurboTax Online, you
cannot directly compare the two scenarios. However, you could create a couple
of sample accounts and work through entering the information for you and your
spouse in mock MFS returns. You will likely find that the total tax you owe is
more for the MFJ.
Please read this TurboTax FAQ
for more information:
https://ttlc.intuit.com/replies/3288477
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