> For the complete documentation index, see [llms.txt](https://www.zerabooks.com/help/llms.txt).

# FAQs & Troubleshooting

Answers to common Convert questions, and every error message explained.

- [Common questions](https://www.zerabooks.com/help/convert-faqs/common-questions): Short answers to the questions people ask most about ZeraBooks Convert, from uploading documents to downloads and plans, each with a link to the full guide.
- [Error messages explained](https://www.zerabooks.com/help/convert-faqs/error-messages): The messages ZeraBooks Convert shows, grouped by area, with what each means and what to do. Search this page for the words you see on screen.