What file formats does Lulu.com accept for book uploads?

Lulu.com accepts several file formats for book uploads to ensure authors have flexibility when preparing their manuscripts. The primary formats accepted include PDF, which is the most widely recommended due to its consistent formatting across different devices and platforms. Lulu.com also accepts Microsoft Word documents in .doc and .docx formats, providing authors who use Word with an accessible option. For those who use more specialized design software, Lulu.com allows uploads in Adobe InDesign (.indd) and other design-focused file formats. It is important for authors to follow specific guidelines regarding resolution, bleed, and margins, especially when preparing their files, to achieve the best printing quality. Authors should always refer to the current resources available on the Lulu.com website for detailed requirements and further information about the acceptable file formats and best practices for their specific projects.