When it comes to publishing your eBook, choosing the right format is vital for ensuring compatibility across various devices and platforms. The most common formats include EPUB, MOBI, and PDF. EPUB is widely supported by most eReaders and is ideal for reflowable content, making it perfect for fiction and non-fiction books. MOBI is primarily used for Amazon Kindle devices, so if you plan to sell your eBook on Amazon, this is the format to choose. PDF is great for preserving the layout of your document, making it suitable for books with complex formatting, like cookbooks or textbooks. Consider your audience and where they are likely to read your eBook when selecting a format. Additionally, using a professional formatting service can help ensure your eBook looks polished and is free from technical issues. By understanding the different formats available, you can make an informed decision that enhances your readers' experience.