Every update I need to insert the publisher file type in functions.php so I can upload a Publisher file for my clients. However, with the new security measures, I don’t know what extensions to enter for publisher. It’s no longer simply ‘pub’ => ‘application/mspublisher’
I’ve tried other things that look similar to the other ms-office extensions, but can’t get it right.
Does anyone know the new ms-publisher extension?
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