Pete

Note: Obsolete since WordPress 4.4
<a href="https://core.trac.wordpress.org/ticket/32230" rel="nofollow ugc">This feature has been added into the core of WordPress 4.4</a>. You can now export your attachments by going to Tools->Export and select ‘Media’ as the export type.
Original Description
WP Attachment Export allows you to export your media library into a WordPress eXtended RSS or WXR file. You can then use the Tools->Import function in another WordPress installation to import the media library.
<h4>Issues / Bug reporting</h4>
Found a bug? Please use the issue tracker at <a href="https://github.com/thehelvetian/wp-attachment-export/issues" rel="nofollow ugc">https://github.com/thehelvetian/wp-attachment-export/issues</a>
<h3>Usage</h3>
User <a href="https://wordpress.org/support/profile/philho" rel="ugc">PhiLho</a> has put together a good summary on how to use the plugin at <a href="https://wordpress.org/support/topic/good-but-could-use-more-explanations" rel="ugc">https://wordpress.org/support/topic/good-but-could-use-more-explanations</a>. Thanks PhiLho!

WP Attachment Export

works perfectly.

Exports only posts of type 'attachment', i.e. your media library

Automattic

Donna Peplinskie (a11n)

Alex Sanford

Jake Morrison (a11n)

Sensei LMS Media Attachments enables you to attach media files to your courses and lessons in Sensei LMS.
For example, you may have some reading material, in PDF format, to offer your students.
With Sensei LMS Media Attachments, you can upload the file to your course or lesson. The file will then be presented as a link in a separate Course Media or Lesson Media section.

Sensei LMS Media Attachments

Simple but effective

Provide your students with easy access to additional learning materials, from audio files to slideshows and PDFs.

WP Attachment Export vs Sensei LMS Media Attachments