On Wed, Jul 10, 2013 at 12:06 PM, Stuart Prescott <stuart@debian.org> wrote: [...] > $ file -k redacted.JNB > redacted.JNB: Composite Document File V2 Document, Little Endian, Os 0, > Version: 5.1, Title: Notebook, corrupt: Can't expand summary_info If everyting else failed, you can at-least see the content using openmcdf: http://packages.debian.org/unstable/openmcdf 2cts