OBG Electronic Filing

Online Help and Support


The following tutorials are made available by the Ohio Department of Taxation and demonstrate common OBG functions step-by-step with audio.

General OBG Topics

Department of Taxation Topics

Telephone Support

For assistance, call the OBG Electronic Filing Help Desk at 866-OHIO-GOV (866-644-6468) Monday through Friday 8 a.m. - 5 p.m. excluding state holidays.

Calls to the OBG Electronic Filing Help Desk will be routed to an agency Help Desk based on the OBG transaction or service.

For TTY/TDD, use the Ohio Relay Service at 800-750-0750.