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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 24, 2024)
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  2. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
  3. How do I change the activation key used by Taxprep?
  4. I cannot find any of the Québec forms and schedules in Taxprep.
  5. How do I make sure that the refund of premiums (T4RSP slip, box 18) received following the death of the spouse is not taxed in the surviving taxpayer’s income tax return?
  6. The Québec TP1 return is rejected by Revenu Québec with error code T3BAAS11.
  7. Capital Losses of Other Years - How to use them?
  8. How to clear cache in Taxprep, Cantax and AliForm?
  9. Cantax T1 - Calculation of the foreign investment on a T5008, T5008 in US
  10. How do I update my support case on the ''support.cch.com/oss/canada'' Support Platform?
  11. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?
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  13. The T1 EFILE status is Not eligible.
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AliForm CCH Accountants' Suite
Date: 2023-Dec.-19
Cantax FormMaster
System Requirements

To correctly execute the latest version of Cantax FormMaster, your computer system must have the following:

Processor

Dual Core processor (Quad Core processor is recommended)

Supported operating systems
  • Windows 10 (64-bit) except for Education and Home Editions*
  • Windows 11 (64-bit) except for Education and Home Editions*
  • Windows Server 2016
  • Windows Server 2019
  • Windows Server 2022
  • Remote Desktop Services in Windows Server 2016, 2019 and 2022
  • Citrix XenApp 7.2308
Note: Please note that custom scaling is not supported.
* For more information on the different Windows Editions, and their respective minimum requirements,
consult the Microsoft Web site:
Important: We strongly recommend that all customers enable the enhanced security measures available in Windows 10 or higher operating system, including SMB 3.0 encryption for data in transit. Since the configuration of SMB 3.0 is explicit, please consult this Microsoft article to proceed with its configuration.
RAM

A minimum of 4 GB of RAM is required.

Note: RAM requirements are highly dependent on the operating system used. Consult the documentation provided with your operating system for minimum and recommended RAM requirements.

Microsoft .Net Framework

Microsoft .Net 6.0.2 or higher is required.

Network File Systems
  • NTFS
  • FAT32
  • exFAT
Internet Connection