The OmniFocus Export feature has moved since this video was recorded.

On the Mac:

1. Tap the Share button and choose Tasks or choose File > Export To > Tasks,
2. Choose Export to > OmniFocus.
3. Click Export.

On the iPhone/iPad:

1. Tap the Share button.
2. Tap the Tasks button under the Export options.
3. Choose Export to > OmniFocus.
4. Tap Send to app