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Discover our Professional Tax software Products

Learn more about our tax preparation software products for accountants through our short introductory and training videos from the DT Professional Suite.

Tax Software Videos

How to electronically sign an authorization form using Thomson Reuters Onvio Firm Management

Steps to electronically sign an authorization form using DT Max and Onvio Firm Management

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DT Max - How to send the T183 to your client electronically

This video provides the steps to follow in order to send the T183 (TP-1000) form to your client by email.

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DT Max - How to e-sign the T183 - Instructions for your client

This video provides the steps to follow by your client in order to e-sign their T183 (TP-1000) form.

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DT Practice

Watch our introduction to DT Practice, the Accounting Practice Management Software.

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Onvio Documents and Client Centre

From portals to document management, Onvio has integrated solutions designed just for you.

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Onvio Time & Billing

Run your firm at peak efficiency with Onvio Time and Billing from Thomson Reuters.

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DT Max T1

DT Max T1 is professional tax preparation software for accountants who want to increase profitability by serving more clients in less time.

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DT Max T2

DT Max T2 / CO-17 corporate tax software offers complete, accurate corporate tax preparation. Easy to use, it offers multiple years in a single software.

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Software for Accounting Firms & Tax Professionals

The DT Professional Suite provides tax and accounting solutions designed to increase your firm’s efficiency and profitability. It’s everything you need to power smoother workflows, make more informed decisions, improve client service and achieve better results.

DT Professional Suite

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