ONID stands for OSU Network ID. It's a universal computer account available to all OSU students and employees. Use your ONID username and password to access:
There's a good deal of support documentation and several video tutorials posted at the Helpdocs website.
Phone and email support for ONID is provided by the OSU Computer Helpdesk.
Need to know how to set up your ONID account? Need help with your account settings? The Helpdocs website is a great place to start, as it includes several help guides and video tutorials.
Here is a video tutorial on how to recover your ONID password even if you've forgotten it. (Go fullscreen for best results)