Get your taxes done using TurboTax

TT Online is only good for 1 return per account.  If you preparing for friends and family, try TT desktop instead.  It can handle multiple returns and can efile up to 5.

Compare TurboTax® 2020-2021 CD/Download Tax Software Products (intuit.com)

TT is not licensed for use by paid tax preparers.

 

[edit]  If, however, you mean 5 different tax years, please post back.