Most taxpayers used one of the major online filing services for their 2018 returns. You can still access these accounts today to view or download past documents:
: For official federal records, you can create or log in to your IRS Online Account to view tax transcripts, which include summaries of your 2018 filings. Troubleshooting Login Issues
The 2018 tax year was significant due to the implementation of the Tax Cuts and Jobs Act, which introduced new tax brackets and a higher standard deduction. 2018 Tax Rate Unmarried Individuals (Taxable Income Over) Heads of Household (Taxable Income Over) Source: Tax Foundation
: If you used desktop software (CD/Download) rather than an online portal, your 2018 files are likely stored locally on your computer’s hard drive or a backup device, not in an online cloud.
: Users can sign in to their existing accounts via the TaxAct Sign-In page . TaxAct offers both online and desktop versions, so ensure you are looking in the right place based on how you filed.