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Most Consulted Articles in the Knowledge Base (as of May 3, 2024)
  1. My account has been suspended. How do I pay my invoice?
  2. Where can I find the Release Notes for the Taxprep (desktop) Programs?
  3. EFILE ERROR 110-B: T1 return is rejected with error code 110-B for newcomers
  4. iFirm Documents: Where can I download the Document add-in for Microsoft 365?
  5. How to clear cache in Taxprep, Cantax and AliForm?
  6. How do I prepare an amended federal T1 return to transmit it electronically (EFILE)?
  7. Taxprep says : "You do not have access to this service." when doing a TaxprepConnect
  8. Can I EFILE Forms T106 and T106S?
  9. How do I download Cantax?
  10. When do I file the designation of a principal residence (Form T2091)?
  11. The federal T1 return is rejected by the CRA with error code 43 in Cantax T1.
  12. Reviewing Returns: How to review tax returns using diagnostics
  13. How do I update my support case on the ''support.cch.com/oss/canada'' Support Platform?
  14. How do I reset my password on the ''support.cch.com/oss/canada'' Support Platform?
  15. How do I attach files to my case on the ''support.cch.com/oss/canada'' Support Platform?

Products Support

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CCH iFirm
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Cantax T1Plus Cantax T2/T2Plus Cantax FormMaster
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