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 26th to May 2nd , 2022
Monday to Friday 8:00 am to 9:00 pm EST
Saturday and Sunday 9:00 am to 5:00 pm EST
April 15th and April 18th, 2022
Good Friday and Easter Monday
9:00 am to 5:00 pm EST
April 17th, 2022
Contact our support department at: 1 800 663-7829.
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.