12M file extension - Lotus Smartmaster file
What is 12m file? How to open 12m files?
File type specification:
12m file icon:
The 12M file extension is mainly related to Lotus 1-2-3 SmartMaster program and used for one of its default file types. Old program used in 80s and 90s.
The default software associated to 12m file type:
Company or developer:
IBM Lotus 1-2-3 is spreadsheet application very popular in 80s and 90s of 20th century. It was released for Microsoft Windows, MS-DOS, Mac OS and OS/2. In 2002 IBM stopped the developing of the IBM Lotus 1-2-3. In the latest versions is Lotus 1-2-3 fully compatible with Microsoft Excel.
List of recommended software applications associated to the .12m file extension
Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file: like open 12m file, edit 12m file, convert 12m file, view 12m file, play 12m file etc. (if exist software for corresponding action in File-Extensions.org's database).
- Others 12m file
Unspecified and all other actions for computer programs working with 12m file - Lotus Smartmaster file
Click on the software link for more information about Lotus 1-2-3. Lotus 1-2-3 uses 12m file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).