I have filed 2015-2016, 2018 taxes thru inuit but can only access 2018????

[fanfare]

if you don't keep using the same account every year , your tax returns will become disconnected from each other

[SweetieJean]

https://ttlc.intuit.com/questions/3355524-when-does-access-to-my-prior-year-turbotax-online-returns-...