Open 12M file

Data associated with the Smartmaster feature in the Lotus software suite

What is 12m file? Understanding and opening 12m files

12m file icon Are you facing difficulties opening 12m files on your computer, or wondering exactly what 12m file is?
We've got the best software solutions for opening 12m files effortlessly.

Data associated with the Smartmaster feature in the Lotus software suite

Files with 12m extension could be found as part of old Lotus 1-2-3 suite in a program called SmartMaster.

Further details

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.

Open 12m file with:

Lotus 1-2-3 icon

Lotus 1-2-3

Old spreadsheet program from IBM

What file extension actually is?

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.

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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.

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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.