- DT Professional Suite
DT Professional Suite Software Support
Contact the DT Professional Suite Software Support Department
Support for users of the DT Professional Suite is available through a number of channels.
Our support team is at your service when you have questions about the use of your DT Professional suite software.
Feb 25 to May 1, 2023
Monday to Friday 8:00 am to 8:00 pm EST
Saturday: 9:00 am to 5:00 pm EST
April 7 and April 10, 2023
Good Friday and Easter Monday
9:00 am to 5:00 pm EST
Contact our support department at: 1 800 663-7829.
Support for the DT Professional Suite
is available at
Support for DT Practice is available at
You can reach our software support team by calling the Thomson Reuters support lines at
514-733-8355 in Montreal,
or toll free at 1-800-663-7829.
Select the Software support option from the Help menu, and click Support request form. Fill out the form, print it and fax it to Thomson Reuters
at 1 866 490 2770. A member of the software support team will quickly get back to you.
Access our tax calculator or learn more about the Thomson Reuters Educational Program.
Your source for update notes on product releases, technical answers, product documentation and more.
Support request form
If you are unable to find the answer to your question in the Knowledge base, send your questions by email through the Support request form, by selecting Software support from the Help menu in the DT Max program.
Select the Support request form through the Help menu.
Fill out the form and click on Submit email.
for any inquiries about pricing for the DT Professional Suite products, or write us at