[eluser]beaudierman[/eluser]
[quote author="Vitaly Mironenko" date="1366009063"]Set docx mime as array and add msword to it:
'docx' => array('application/msword', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document')[/quote]
Thank you for posting this, I was just having this issue. I found that adding 'application/msword' worked for docx files saved by Windows, but for some reason files saved on Word for Mac weren't working. My solution was to add 'application/zip' as well.
Code:
'docx' => array('application/msword', 'application/zip', 'application/octet-stream', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document'),