Scheduled maintenance of the support site on May 3, from 10:00 p.m. to midnight
A scheduled maintenance will be performed on our support site (https://support.wolterskluwer.ca/en/) on Friday, May 3, 2024, from 10:00 p.m. to midnight, ET. During this period, the support site will be unavailable.

Prioritisation of web tickets and live chats with a support agent
Web tickets and live chats are given priority over the phone calls. For a faster service, connect to our Support Platform to create a web ticket through our virtual assistant who will either offer you to submit your case or to chat live with an agent.

Most Consulted Articles in the Knowledge Base (as of May 3, 2024)

1. My account has been suspended. How do I pay my invoice?
2. Where can I find the Release Notes for the Taxprep (desktop) Programs?
3. EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
4. iFirm Documents: Where can I download the Document add-in for Microsoft 365?
5. How to clear cache in Taxprep, Cantax and AliForm?
6. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
7. Taxprep says : "You do not have access to this service." when doing a TaxprepConnect
8. Can I EFILE Forms T106 and T106S?
9. How do I download Cantax?
10. When do I file the designation of a principal residence (Form T2091)?
11. The federal T1 return is rejected by the CRA with error code 43 in Cantax T1.
12. Reviewing Returns: How to review tax returns using diagnostics
13. How do I update my support case on the ''support.cch.com/oss/canada'' Support Platform?
14. How do I reset my password on the ''support.cch.com/oss/canada'' Support Platform?
15. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?