O

Office user profile

A collection of user-defined options and settings captured by the Office Profile Wizard in an Office profile settings file (OPS file) and applied to another computer.

Offline Folder file (OST file)

The file on your hard disk that contains offline folders. The offline folder file has an .ost extension. You can create it automatically when you set up Outlook or when you first make a folder available offline.

OPS file

A file created by the Office Profile Wizard. See also Office user profile.