You should be adhering to the licensing agreement. Please refer to the following for details:
https://ttlc.intuit.com/turbotax-support/en-us/help-article/intuit-product-orders/file-multiple-retu...
In the Desktop version of TurboTax, you can prepare as many federal returns as you want. Up to five can be e-filed. Additional returns must be printed and mailed.
You can also use TurboTax Online or the mobile app to prepare multiple returns, but each return requires its own unique login and must be paid for separately.
Most customers who need to file separate returns for family members find that the Desktop version is more economical.
Tip: Our license agreement doesn't allow the use of TurboTax for commercial or professional tax preparation. If you prepare tax returns for a living, take a look at our ProSeries or Lacerte software.
