OmniOutliner
From Just Solve the File Format Problem
OmniOutliner is a note taking, outlining, organizational software tool meant to capture ideas and project details.[1][2]Developed by the OmniGroup and released in 2000.[3]
File Information
- Versions 1 and 2 of the software used a native format with the .ooutline extension and was an XML based Plist
- Versions 3 and 4 of the software used a native format with the .oo3 extension and was XML or and XML in an Apple bundle format[4]
- Version 5 of the software uses a native format with the .ooutline extension and uses the ZIP container format to store is data
