What (Windows, Mac, or Linux) are you currently using?
This method rarely captures multimedia (video/audio) and loses the flip animation. It is not a "full" experience, but it works for static content.
For those who want a true without relying on black-box tools, manual extraction is the most reliable—though time-consuming.
Before resorting to risky third-party tools, users should try legitimate methods to access content offline:
What do you need the final file in (PDF, HTML, or EXE)?
Technical "papers" in the form of README files and source code explain the logic behind third-party downloaders: marcorentap/fliphtml5-downloader (GitHub) : A Python-based tool that uses specific scripts ( downloader.py pdfconverter.py
Official downloading depends on your plan and the settings chosen by the book's author. Official Methods AI Ebook Generator - FlipHTML5