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Hot topics - Week of April 22, 2024
Last Saturday! 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 27, 2024)
  1. How do I register to the new ''support.cch.com/oss/canada'' Support Platform?
  2. How do I enter American employment income received by a taxpayer resident of Canada in the W-2 form?
  3. The federal T1 return is rejected by the CRA with error code 70127.
  4. EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
  5. How do I update a local version of Cantax T1 or Cantax T2?
  6. How to report foreign employment income in Cantax T1?
  7. CCH iFirm Taxprep - FAQ – Electronic signature
  8. How to proceed with Auto-Fill T1 return (AFR) in Cantax T1?
  9. CRA EFILE ERROR 16, how to fix it
  10. NEW EFILE 2023: Non-residents filing under section 116 and Emigrants can now be filed electronically with CRA.
  11. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
  12. How to report foreign investment income in Cantax T1? T1-IN
  13. The Québec TP1 return is rejected by Revenu Québec with error code TSTRUC.
  14. The T1 tax return is rejected with the error code 93 in Cantax T1.
  15. Can't see Cantax T1 dependant Drop-down box
  16. When do I file the designation of a principal residence (Form T2091)?

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AliForm CCH Accountants' Suite
Date: 2023-Nov.-16
Cantax T2/T2Plus
System Requirements

To correctly execute the latest version of Cantax T2, your computer system must have the following:

Processor

Dual Core processor (Quad Core processor is recommended)

Supported operating systems
  • Windows 10 (32-bit and 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
* For more information on the different Windows Editions, and their respective minimum requirements, consult the Microsoft Web site:
Note: RAM requirements are highly dependent on the operating system used. Please refer to the documentation provided with your operating system for minimum and recommended RAM requirements.
Important: We are strongly recommending 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.
Microsoft .Net Framework

Microsoft .Net Framework v.4.8.0 or higher is required.

Network File Systems
  • NTFS
  • FAT32
  • exFAT
PDF Printer

Cantax is compatible with the Amyuni PDF Document Converter 6.5.

Internet connection
  • An Internet connection is required to use electronic services available with Cantax.
  • The TLS 1.2 protocol must be enabled in the Microsoft Edge browser settings.