I created a new OmniGraffle document, exported it to JPG, and closed it. About ten minutes later, attempted to re-open the file, but get this message instead:
Am I screwed? or is there a way to edit this document again.
|The document “blah_blah.graffle” could not be opened. Conversion of data failed. The file is not UTF-8, or in the encoding specified in XML header if XML.|