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Hot Topics - Week of March 25, 2024
Support Centre open every Saturday until April 27
During the personal tax season, the Support Centre will be open every Saturday from 10:00 a.m. to 5:00 p.m., ET,  until the end of April to handle requests submitted by web tickets and live chats. Connect to our Support Platform to consult our virtual assistant, submit your requests and chat live with an agent!
Release dates calendar
Please consult our product calendar for release dates of all our software.
Most Consulted Articles in the Knowledge Base (as of March 28, 2024)
  1. Can we EFILE attached documents with T3 return?
  2. Taxprep T3, BENEF forms - Information about beneficiaries doesn't appear on Schedule 15
  3. T3 - can we e-file Form T1135?
  4. How to allocate income to partners in a T5013?
  5. What is the T3 Schedule 15, how do I prepare it, and can I enter the required information before the release of the 2024 version?
  6. How do I download Taxprep?
  7. Can I EFILE the T3 return?
  8. How do I electronically transmit slips in Taxprep?
  9. How to configure the EFILE identification in CCH iFirm Taxprep?
  10. How do I edit letters in CCH iFirm Taxprep?
  11. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?
  12. Schedule 15 is not applicable to T3 return
  13. How do I change my activation key in Cantax?
Date: 2022-Dec.-21
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 2012 R2
    (As of October 2023, our programs will no longer support this OS.)
  • Windows Server 2016
  • Windows Server 2019
* 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.