Is the maximum file size for epubs sold through Barnes&Noble (via a publisher account) still 600MB?

  • 2
    One epub is more than 600MB? Something seems wrong with the file to me. I've never heard of an epub that large before!
    – Jason Down
    Commented Jan 13, 2014 at 19:14
  • 2
    Include some multimedia, namely video, in EPUB3s and that file size can easily be hit.
    – his
    Commented Jan 14, 2014 at 22:16

1 Answer 1


I appears that the limit is now 20MB

Your manuscript file must be less than 20MB in size and in one of the following formats: .doc, .docx, .txt, .rtf, .htm, .html, or .epub. Many manuscript files that are larger than 20 megabytes don't need to be. If your manuscript file is larger than 20MB, try reducing the image size, decreasing the dots per inch (dpi), and/or increasing the JPEG compression on the images in your eBook. After applying JPEG compression to the images, you should be able to get the individual image files under 100 kilobytes each.

See also The Nook Press Publishing FAQ

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