The OTH file extension is an OpenDocument HTML text template that has been part of the Open Document format for Office Applications. This OASIS format can be opened by different software suites, but the most common suite is the OpenOffice suite by Sun Microsystems. Originally, it has been created to become one of the industry leading extensions when it comes to the sharing of documents.
Mime type: application/vnd.oasis.opendocument.text-web, application/x-vnd.oasis.opendocument.text-web