File Transmittal

The preferred method for file transmission to OPTrust is via the secure employer site. Batch data files from WIN are excluded and sent via SFTP.

Employers can send secure messages and transmit files over this secure portal. To create an account please contact OPTrust's Data Management Group directly.

Data Management Group

The Data Management Group (DMG) is responsible for service, contribution and payroll data submitted by employers.

Contact DMG by email: EmployerService@optrust.com

icon Important! Email messages sent to this address are not encrypted. Do not send confidential member information via unsecured email. Please use this email address for general inquiries only.

icon Important! To ensure the security of members' pension data, employers should not send data files or other confidential information by unsecured Internet email.