You can perhaps export some data from TurboTax tax return files (.tax) and save them in Quicken Interchange format (.qif) and as far as we know, this program would be Quicken. Sadly, no other relevant information about this particular tax to qif conversion could be found.
Convert TurboTax tax return file to Quicken Interchange format.
We have found 2 software records in our database eligible for .tax to .qif file format conversion.
Microsoft Windows software - convert tax to qif on Windows
A personal finance management program by Intuit
Convert from tax file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned tax to qif. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert tax to qif on OS X
Mac version of popular Quicken personal finance management software