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Hot topics - Week of March 16, 2025
NEW: Beginning March 24, 2025, the CRA will no longer accept direct deposit updates or changes submitted via EFILE
Consult this article for more details on this matter.
End of Phone Support: Benefit from our Advanced Virtual Agent 24/7!
Since January 1, 2025, the customer support teams offers its high-quality service exclusively through digital channels, and no longer offers incoming phone support. Click here for more details on this matter.
Register for our support platform and log in to our virtual agent to find answers, submit a support ticket or chat with a live agent.

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This week most consulted articles from our Knowledge Base
  1. Form T1198 Efile Diagnostic error #002025 (Cantax) or E779 (Taxprep-CCH Ifirm Taxprep)
  2. How do I register for the ''support.cch.com/oss/canada'' Support Platform?
  3. Cannot log in to the ''support.cch.com/oss/canada'' Support Platform
  4. How do I download the latest version of the Cantax software?
  5. CRA EFILE ERROR CODE 95033
  6. When will changes in the capital gains inclusion rate be updated in the program?
  7. Forms - CRA Efile error - Account number given in the attached T619 electronic transmittal records does not match the account number you used to sign in
  8. How to clear cache in Taxprep and Cantax?
  9. CRA FORMS: Can I transmit slips and T5013 returns using the federal transmitter number MM for 2023 and prior years?
  10. CRA EFILE ERROR 95365 - What can I do to correct it?
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.