Convert notebook to OneNote format and vice versa
We keep supporting Microsoft OneNote notebooks in Outline and continue to improve display fidelity for those who need Microsoft OneNote.
In Outline we have two formats for notebooks to your choice: the native Outline format and OneNote format that allows you to work with OneNote and Outline at the same time.
The main difference between the formats is the way the attachments are stored:
Outline File Format. Files have .outdoc and .outtoc extension.
In Outline File Format attachments are held in separate folder (for example
Having attachments arranged this way, Outline can download the notebooks faster: we open
the text section files first.
Attachments get downloaded later when you can already open the page and start typing.
OneNote File Format. Files have .one and .onetoc2 extension.
In OneNote File Format attachments are encoded inside the general section files.
It means you need to wait for all the attached files to finish downloading before the edits can
When you create a new notebook in Outline, it is always created in Outline File Format.
How to check the format of notebook in Outline
If you need to use this notebook in OneNote, you can easily change the format of your notebook in all of Outline versions.
How to change the format of notebook in Outline for iPad
1. Double-tap the notebook's cover > Properties > Format > change to OneNote.
2. Well done! You're incredible!
When changing the format of notebook in Outline for iPad, we create a copy of initial
notebook in new format.
In case your notebook was opened from cloud storage, the new copy will be saved locally.
You can check it's location with double-tapping the cover again > Properties > Location > it
will be Local.
If you want to sync this section, just send it to the cloud again with Properties > Location >
[the cloud storage you use].