Multiple views of a single outline?

Is it possible to split a window either horizontally or vertically to see two views of a single outline? Krator thinks it should be.

Krator thanks you in advance for your answers.


Hello, Krator.

I know that neither OmniOutliner 4 nor 5 support this sort of split editor, unfortunately. If I recall correctly, this wasn’t in prior versions either.

You can request this feature by writing in to

This would be hugely useful. I find myself needing to use research in OmniOutliner to write summaries, etc. At present I need to split my outlines in two to do this (unless there is now a way that I’m unaware of)