Check your personal records, including paper files, folders, and digital backups
Log in to your IRS online account to view available tax return transcripts
Request a tax return transcript or tax account transcript from the IRS
Use IRS Form 4506 to request a full copy of a prior tax return
Contact your tax preparer or tax filing service for copies of past returns
Check with your state tax agency for copies of state tax returns
Review old email accounts for e-file confirmations and attached return copies
Search cloud storage, external drives, and computer backups
Check bank, loan, or mortgage records for documents that may include tax return copies
Contact the IRS by mail or phone if online access is unavailable