I don’t know how to file an extension
Go to this TurboTax website to e-file a federal extension request - https://turbotax.intuit.com/irs-tax-extensions/
Hi! This article might help. https://ttlc.intuit.com/community/extensions/help/can-irs-extensions-be-e-filed/00/25884
You can file an extension through TurboTax Easy Extension here https://turbotax.intuit.com/irs-tax-extensions/