How to upload media files in folders?
Add new files
2. To add media files, click on the folder in which you want to add a media file and, then in the right pane, click 
. The two media upload options are displayed.
Add media files & URLs
5. To provide an external url for the media, click 
, enter the URL in the text area and click Add.
The URL is added to the media directory and displayed in the selected folder.
Add a URL
OR
To upload a media file from the device, click 
, select the required media file and, click Upload.
The media file is uploaded to the media directory and is displayed in the selected folder.
uploaded docs in folder
Only group admin members can add files to a media folder
Non-admin group members can only view the files but can't add new files or remove any existing files.