How do I file a tax extension?
Quick Answer
File Form 4868 by April 15 — electronically through tax software, IRS Free File, or by mail — for an automatic 6-month filing extension to October 15. You still must pay any estimated tax owed by April 15 to avoid penalties.

Warren Team
Updated January 1, 2026
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Warren Team
Updated January 1, 2026
35
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