Need to know if i filed a 2018 tax return

You can check in TurboTax to see if you filed last year by using this TurboTax FAQ for information on how to access a prior year's tax return. First make sure you are logged with the correct USER ID in your TurboTax account.

If you did not file with TurboTax in 2018 the IRS allows you to obtain a free tax transcript online you can usually get it the same day, this way you can see if they have a record of you filing in 2018.

Yes, you can file if you discover you did not file in 2018. Please click the TurboTax FAQ below to learn how to file a prior year's tax return with TurboTax.  You will need to mail it in as the IRS does not accept e-filed tax returns for prior year's:

https://ttlc.intuit.com/community/using-turbotax/help/how-do-i-prepare-a-prior-year-tax-return/00/25984