Import your notes and files to the Notes app - Apple Support

Take the text files that you created in other apps, and import them into the Notes app. Then you'll have all of your notes in one convenient place.

Add a table in Notes on Mac - Apple Support (CA)

Save and edit PDFs to the Books app on your iPhone or iPad - Apple

Use Markup to add text, shapes, signatures, and more to documents

Use Notes on your iPhone, iPad, and iPod touch - Apple Support

Export your Apple Notes in bulk – Six Colors

How to transfer notes from iPhone to Android in 4 Easy Ways

Apple Notes: Everything You Need to Know [2023] - Paperlike

Import from Apple Notes - UpNote User Guide

Add email attachments in Mail on iPhone - Apple Support