davide.airaghi

This plugin let you add file types to the default list of file extensions 
supported by the Media Library upload procedure.

WP Extra File Types


Works partially. With correct mime type, yes you can upload new files as "documents", but they are either refused in the end, or renamed into TIF extension if the mimtype is image.



impossible to insert them as attachement in a post.



there is a better plugin out there that creates posts for that purpose.


does not work, as expected

Plugin to let you extend the list of allowed file types supported by the Wordpress Media Library

Kushang Tailor

Now manage your Media files security with this plugin. This plugin is provide allow and disallow different upload file Mime types to the WordPress Media Library. In other words, Restrict the Mime types or extensions as per your wish.
Almost 96 extensions and Mime types are available.

Restrict WP Upload Type

This plugin is use for to allow and disallow different upload file Mime types to the Wordpress Media Library. Easy to use and flexible.

WP Extra File Types vs Restrict WP Upload Type