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Hot topics - Week of April 15, 2024
Support Centre open every Saturday until April 27
The Support Centre will be open every Saturday from 10:00 a.m. to 5:00 p.m., ET, until April 27 to handle requests submitted by web tickets and live chats. 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.
Release dates calendar
Please consult our product calendar for release dates of all our software.
NOTE: The release of AliForm 2024 v.2.0 has been cancelled. For more information on this cancellation, please contact Customer Service by creating a support ticket or by calling at 1-800-268-4522.
Most Consulted Articles in the Knowledge Base (as of April 19, 2024)
  1. How to add a licence or security role in CCH iFirm
  2. How do I update my support case on the '''' Support Platform?
  3. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
  4. The federal T1 return is rejected by the CRA with error code 43.
  5. Taxprep setting- Where to find the password for Taxprep Services
  6. How do I attach files to my case on the '''' Support Platform?
  7. CRA EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
  8. How do I complete the return of a taxpayer who left Canada during the year?
  9. How do I download Taxprep?
  10. How do I prepare a federal T1 return for a non-resident?
  11. How do I amend slips, RL slips, receipts or returns in Taxprep Forms?
  12. What income amount should I enter in the return of a taxpayer who is emigrant or immigrant in the year?
  13. Diagnostic QE118 or QE129 displays and prevents the Québec electronic transmission.
  14. Why would a Cantax file be read only?
  15. How to clear cache in Taxprep, Cantax and AliForm?
Date: 2020-Dec.-18
Taxprep Dashboard
Release of Taxprep Dashboard 2020

We are pleased to announce the release of Taxprep Dashboard 2020, which is now available for download.

Taxprep Dashboard is Taxprep software that allows you to stay on track during T1 tax season. You see your workload in real time, anywhere and anytime – and you can manage your returns accordingly. More details >

Note that following some significant changes in Taxprep Plus, we recommend to all our clients using Taxprep Plus on a Remote Desktop Services environment with RemoteApp (RDS) to manually install the latest version of Taxprep Plus.


To consult the different training options available regarding Personal Taxprep (seminars, webinars, tutorials and more), access the Training section of the Taxprep Web site. You can also access it from the program, by selecting Get Taxprep Training in the Help menu.

For Taxprep and CCH iFirm Tax training, please contact the Professional Services team at