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TAX YEAR 2026 H&R Block 2026 Tax Software Officially Releases on November 13, 2026 — Preorder Now! Instant email delivery US support (888) 720-3942
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Phone: (888) 720-3942
Email: support@efilesoftware.com
Hours: Mon–Fri 9:00 AM–6:00 PM ET

We reply to emails within 1 business day. Please include your order number if you have one.

Business address

eFileSoftware LLC
1201 Orange St, Suite 600
Wilmington, DE 19801
United States

This is our office address. All products are delivered digitally, so there is nothing to return by mail.