Can i edit my old return to test different scenarios? I want to see the effect of new income that I will be reporting this year. can i test different RRSP w/d amounts?

[bruce-reid]

can i use refile without actually submitting it to CRA?

[TurboTaxAniqua]

Yes, you can use a Refile option and choose not to submit your return to CRA. The return won't get submitted to CRA until you go through the process of filing/re-filing. 

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