End of Phone Support: Benefit from our Advanced Virtual Agent 24/7!
Since January 1, 2025, the customer support teams offers its high-quality service exclusively through digital channels, and no longer offers incoming phone support. Click here for more details on this matter.
Register for our support platform and log in to our virtual agent to find answers, submit a support ticket or chat with a live agent.

Watch videos to find out everything you need to know about the support platform:

• How to Register With the Support Platform to Begin
• How to Open a Support Case or chat with a live agent
• How to Manage Your Support Cases: what happens after you submit a support case?
• How to Reset Your Support Platform Password

This week most consulted articles from our Knowledge Base

1. When trying to log in to my CCH iFirm site, I get a message that it is down for maintenance
2. How do I register for the ''support.cch.com/oss/canada'' Support Platform?
3. How do I create a support case or initiate a live chat on the ''support.cch.com/oss/canada'' Support Platform?
4. Cannot log in to the ''support.cch.com/oss/canada'' Support Platform
5. When will the next version of Taxprep, Cantax, or iFirm Taxprep be released?
6. I get the R2000051 diagnostic regarding a change of address in a T2 return.
7. CRA system not available for the weekend of May 9, 2025