Data associated with the Smartmaster feature in the Lotus software suite
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Files with 12m extension could be found as part of old Lotus 1-2-3 suite in a program called SmartMaster.
The 12m file extension is mainly related to Lotus 1-2-3 SmartMaster program from IBM and used for one of its default file types.
Old program used in 80s and 90s.
Old spreadsheet program from IBM
Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.
Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.
Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.