The TurboTax personal editions software can only be used to electronically file 5 tax returns. This number is set by IRS rules for personal tax preparation software. Once 5 federal tax returns has been e-filed any further tax returns will have to printed and mailed. There is no limit on the number of tax returns that can be completed using the TurboTax personal edition software.
For e-filing more than 5 tax returns you would have to use the TurboTax professional edition software.
Go to this TurboTax website for information - https://proconnect.intuit.com/
