New settings in 7.6.2
If greater control is required than available from the above, this setting can be used to store a "white list" of file extensions. If provided, only files with these extensions can be uploaded via the backoffice.
<!-- If completed, only the file extensions listed below will be allowed to be uploaded. If empty, disallowedUploadFiles will apply to prevent upload of specific file extensions. --> <allowedUploadFiles></allowedUploadFiles>