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Date : 2026-mars-12
Cantax T1Plus 2025 Release!

We are pleased to announce that our Cantax T1Plus (version 25.3.3xx.110) software is now available for download.
 
Important:
The minimum subscription term for this product is one year.
If you have any questions regarding your subscription, please register to our Support Platform and submit a support ticket or log on to "My Account" on the Wolters Kluwer Web site.
 
Download Now!

This version allows you to EFILE or paper file all types of T1 returns, including forms that were under review in previous versions.

Please see the Release Notes for the highlights of this release. The Release Notes are accessible on our Web site and from the Welcome box in the program.


Activation Key

Please make sure that the workstation's regional settings are set to English (Canada or United States).
Cantax T1 requires an activation key to install the software, which includes various modules. Simply enter the applicable key when prompted. To access your activation key, go to https://support.wolterskluwer.ca/en/download/ and log in to the Login section. In the Dashboard page, click the Activation Key(s) button in the Download section. If you have already installed a previous version of Cantax T1Plus 2025, the activation key will not be required.


Reintroducing Telephone Support

As announced on February 18, 2026, you can now contact our support teams directly by phone Monday to Friday, from 10:00 a.m. to 5:00 p.m. (ET), when a live conversation is preferred.

Reintroducing phone support adds another way for you to engage with us, ensuring flexibility while maintaining the high level of service you expect.

To help you navigate the phone menu, we invite you to read the following article, which details all the available options: What are the phone menu options for 1-800-268-4522?


Digital support remains available

Our Knowledge Base, Support Platform, Virtual Agent, and Live Chat continue to provide convenient, efficient, and prioritized ways to get help.

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.

For more details about the web ticketing system and best practices, watch the following “How to” videos:


Consult our Knowledge Base to quickly find the information you need!

Available from the Support Web Site, our Knowledge Base contains an array of articles answering technical and tax questions most frequently asked to Support Centre agents. All you need to do is enter a few key words and the articles display in order of relevance to provide you with valuable information that will accurately answer your questions.


Training

To consult the different training options available regarding Cantax T1 (seminars, webinars, tutorials and more), access the “Training” section of the Wolters Kluwer Web site. You can also access it from the program, by selecting Help, Cantax on the Web and Get Cantax Training.