CSIO offers bilingual technical support for CSIOnet.
Contact the CSIO Help Desk by emailing: firstname.lastname@example.org
Contact the CSIO Help Desk by dialing: 416-360-1773 or 1-800-463-2746
Use our live chat tool to connect with the CSIO Help Desk.
If you have a billing issue, please include your billing account number. If you have a mailbox or VPN issue, please include your CSIOnet ID.