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
FreePDFconvert
Surprisingly exhaustive FreePDFconvert is an online PDF converter. Their service has been around since 2005 and has helped people convert