FM3 File

What are FM3 files and how to open them

Are you having problems opening a FM3 file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your FM3 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

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.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about FM3 file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.