Line breaks not working

When I copy and paste test into a notebook the lines run right off the page out of sight. The line breaks are not forming. They should, I would think, be automatic to keep the text visible.
I can't find any way to turn on auto text wrapping - where do I find this option?

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Migrate your Notebook data to the new, mobile Notebook.
Zoho Notebook is transforming. The new version will include exciting new features and a completely new user experience. The initial version will be mobile based, available for Android and iOS. A new web version will be available after the initial mobile release. With the release of the new Notebook approaching, we're migrating most of your current data to the new version. Once the new version is released, there will be an additional window to migrate your data. We will not provide access to the