Use the glide.ui.strict_content_types to restrict the image file extensions that appear in the UI.

1. Enter sys_properties.list in the Navigation filter.
2. Verify that the property does not exist by searching for the property name.
3. Click New.
4. Complete the system property using the following table.

   Table 1. File extension system properties

   Field	Description
   Name	glide.ui.strict_content_types
   Type	string
   Value	Comma-separated list of acceptable image file names. Use any of the following file types: ico,gif,png,jpg,jpeg,bmp,js,css,htm,html,ogg,mp3,eot,woff,woff2,svg,ttf,swf,cur,map

   Note: Any files that use a file extension that is not included in the list of values appear broken in the UI.