Oh, this topic discusses V43, but I don't know that Intuit has ever moved to using it:
http://gnucash.1415818.n4.nabble.com/What-version-of-txf-export-used-in-windows-version-2-6-19-td469...
I only knew what you were asked because I have been a gnucash user.
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"Level Up" is a gaming function, not a real life function.
