Determine whether you need more time to file your tax return
Gather your tax information and estimate your total tax liability
Pay any taxes you expect to owe by the original filing deadline
Choose the correct extension form for your tax situation
File the extension form by the tax deadline
Use IRS Free File, tax software, a tax professional, or mail to submit the extension
Keep proof of submission and confirmation of acceptance
Note the new filing deadline after the extension is granted
File your completed tax return by the extended deadline
Check your state tax rules and file a separate state extension if required