To connect to Dynamics 365 through a proxy server on Windows:
1. Open ODBC Data Source Administrator.
2. Navigate to either User DSN or System DSN tab.
3. Create a new DSN or edit an existing DSN.
4. In the Devart ODBC Driver for Dynamics 365 Configuration dialog that opens, enter proxy settings:

5. Optional: Select Save Password to remember the password.
6. Optional: Select Test Connection to verify the connection settings.
7. Click OK to save the changes.
The following is an example of a Dynamics 365 ODBC connection string configured to use a proxy server.
DRIVER={Devart ODBC Driver for Dynamics 365};Server=https://dynamicsaccount.crm.dynamics.com;User ID=your_dynamics_username;Password=your_dynamics_password;Proxy Server=your_proxy_server;Proxy Port=8080;Proxy User=your_proxy_username;Proxy Password=your_proxy_password