Chapter Stack Support
Something not working, or a question about your book? It helps to say which device you are on and what kind of file you opened. Email entrozy@protonmail.com and you'll get a reply, usually within two days.
Common questions
Which files can I open? Word (.docx) and OpenDocument (.odt) files.
Where did my saved copy go? On iPhone and iPad: Files → On My iPhone (or iPad) → Chapter Stack. Each save gets a new name, such as “Book (2).docx”, so nothing is overwritten.
Is my book backed up? No. It stays on your device only. Save a copy and keep it somewhere safe.