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. Troubleshooting Memo – Problem with MM/DD date fields in CCH iFirm Taxprep T1 (Error 149-R)
2. How do I register for the ''support.cch.com/oss/canada'' Support Platform?
3. Cannot log in to the ''support.cch.com/oss/canada'' Support Platform
4. How do I reset my password on the ''support.cch.com/oss/canada'' Support Platform?
5. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
6. "Cannot continue the operation because the location of the transmission database is not available or is not specified correctly".
7. How to add a licence or security role in CCH iFirm
8. How do I create a support case or initiate a live chat on the ''support.cch.com/oss/canada'' Support Platform?
9. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?
10. How do I convert my preparer profile in Taxprep and Cantax Formmaster?
11. How to clear cache in Taxprep and Cantax
12. How to clear browser cache in Chrome or Edge