OneNote and Bear Notes are two of the best note-taking apps on the Mac platform. Read the comparison to find a better note-taking app on Mac for you. I have used the free version of OneNote (that you download from here) for a few years now. It always worked just fine. I made the mistake of buying a one year subscription to Office 365 to get the latest version of OneNote. I uninstalled Office 365 and reinstalled the downloaded OneNote 2016, and things worked just fine. Onenote notebooks take up to four or five times the space of their actual content on your system drive, at least in OneNote 2016. Why is that so and how can you reduce the size? Depending on where your notebook is saved and on the settings of the backup option, there are always several copies of the notebook eating up space of your system drive. Microsoft OneNote is a note-taking app that works across a wide range of devices, for free, with a decent array of features. In terms of its functionality and ease of use, it's the clear number.

Change Paper Size Microsoft Onenote Mac

Not like Office Word, OneNote does not provide page break for print. If we want to print an OneNote page, we cannot setting OneNote how to print the page.
Before version 33, Gem for OneNote has provided 'Preview Print Page' features to help writing for print. ( Preview Print Page when Editing ( OneNote Page Breaks) )
But 'Preview Print Page' cannot display when pages large than 3.
Gem for OneNote v33 now improve these features to insert A4 page frames into OneNote page instead of 'Preview Print Page'.
Insert an A4 Page Frame into OneNote Page
Before you writing in OneNote page, click 'Cooperation' tab -> 'View' group -> 'A4 Page' menu -> 'Add Portrait A4 Page' item, Gem will insert a A4 size frame into current OneNote page.

Start Writing inside of A4 Frame
After insert A4 page frame, we now can begin to writing inside of this A4 frame.

Continue Insert A4 Page 2, 3 …
If you write end of first A4 page, you can continue to insert the second A4 page, on end of second A4 page, and insert the third A4 page, and so on …

Print Preview with A4 Page Frame
After writing inside A4 page frames, now, we want to print this OneNote page. Print preview at first. Change paper size microsoft onenote machine

Change paper size microsoft onenote machine

Click 'File' tab -> 'Print' item -> 'Print Preview' button, to open 'Print Preview and Settings' window. Machine

Choose A4 in Page Size.
Check 'Scale content to paper with'.
Choose 'Portrait' in Orientation.
Choose '(none)' in Footer.

Now, we can see A4 page with frame. If we print now, the border of A4 frame also be printed too. So we need to remove or hide the A4 frame before print.

Hide all A4 Page Frames
In order to avoid print the frames, we need to hide the frames.
Click 'A4 Page' menu -> 'Hide all A4 Page Frames' item to hide all frames.
(In this way, the frames maybe still display after click 'Hide all A4 Page Frames', but in fact, the frames really are hidden.).

Print Preview Again, A4 Frames have Gone.
Go to 'Print Preview and Settings' window again, we can see the frames are disappear.

Finally Print
Finally, click 'Print…' button to print page, it will split print current OneNote page to A4 paper without border.

Summary

Change Paper Size Microsoft Onenote Machine

To best support OneNote customers worldwide during these unprecedented times, Microsoft is temporarily adjusting the download limit of file attachments in OneNote. We do not expect this change to affect most users.

Workarounds

The maximum capacity of downloaded file attachments is temporarily set at 100 MB. Because most OneNote clients limit file uploads to 50 MB, this change shouldn't affect most attachments.

The following workarounds enable users to download larger file attachments:

Change Paper Size Microsoft Onenote Macbook

Attach as a cloud file. This is the best way to make sure that others can access the file without restrictions. If you have access to the file, first upload the attachment to SharePoint Online and then link to the attachment from within the Notebook. If you use OneNote for Windows 10, this can be done in one step by following these instructions:
1. Select Insert > File.
2. Select Upload to OneDrive and insert link.
Attaching files as cloud files enables others who have access to the notebook to view your attachment without any size restrictions. If you don't have access to the original file, use either of the following workarounds to obtain the file, and then attach it as a cloud file.
OneNote for web. Open your notebook in OneNote for the web (go to https://www.onenote.com, select the purple Sign in button), and then save the attachment by right-clicking the attached file and selecting Save As.
OneNote desktop. Use OneNote 2016 or another desktop version of OneNote to download the attachment.

More information