FM3 File Type- The quick facts
What are FM3 files and how to open them
Are you having problems opening a FM3 file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a FM3 file?
A .FM3 file is a Formatting Data for Lotus 1-2-3 worksheet file.
We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.
How to open FM3 files
Important: Different programs may use files with the FM3 file extension for different purposes, so unless you are sure which format your FM3 file is, you may need to try a few different programs.
While we have not verified the app ourselves yet, our users have suggested a single FM3 opener which you will find listed below.
Last updated: December 9, 2010
Suggest another file format using extension FM3
While we know of one file format using the .FM3 file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .FM3 file.
Various apps that use files with this extension
These apps are known to open certain types of FM3 files. Remember, different programs may use FM3 files for different purposes, so you may need to try out a few of them to be able to open your specific file.