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Plain text is raw, unformatted text whereas rich text can have formatting such as bolding, numbering or bullets, alignment, as well as images and other objects.
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Navigate to your WordPress page and Copy the text you want to migrate.
Paste the text into a word processing app such as WordPad or TextEdit to remove any preexisting formatting.
Copy the text from whichever app you are using and paste into the Content area of the new page you created in Cascade.
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