Tax Help & Support.

Find answers to frequently asked questions about our products and services, tax tips, and helpful articles.

Top topics.

Check out the top 3 things clients are inquiring about right now.

How do I know what slips to bring to my appointment?

If you’re unsure what slips to bring into our offices when filing your taxes, check out our handy tax checklist located in the footer of this page.

What should I do if my NETFILE account is locked?

You’ll need to contact the Canada Revenue Agency at 1-800-959-8281 and request to speak to the NETFILE help desk to get your account unlocked.

Do I need a NETFILE Access Code, and where do I find it?

The NETFILE Access Code (NAC) is an 8-character code that is used as an added security measure by Canada Revenue Agency (CRA) to verify your identity when you NETFILE your return. It can be found on your last year’s Notice of Assessment. However, when filing with our software, this is not a mandatory field. If you don’t have your code, you can still continue to file without it.

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Tax Software Support.

Did you file your taxes using our software? Visit our Online Help Centre for support.

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Have a tax related question?

If you’re looking for tips and tricks on how to maximize your refund or learn more about the benefits and credits you could be eligible for, check out our Tax Tips Blog or visit a Tax Expert today.

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For general client support call: 1-800-HRBLOCK (1-800-472-5625).

Hours: Monday – Friday: 9am -9pm EST | Weekends & holidays: 10am-7pm EST.

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Write to us

H&R Block Canada Headquarters
2600, 700 – 2nd Street SW
Calgary, AB T2P 2W2

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Office locator

Use the Office Locator to find the H&R Block office nearest you.

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U.S. site

You can visit our U.S. site at www.hrblock.com

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