What is 12m?

The 12M file extension is an extension used in a product of Lotus. It came in the hands of the IBM company when Lotus was bought out. The 12M file type is a Smartmaster file that is associated with ‘1-2-3’. 1-2-3 Smartmaster used to be a popular program in de 80’s and 90’s until better competitors took its place

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What is oth?

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

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