Opening FM3 files

Did your computer fail to open a FM3 file? We explain what FM3 files are and recommend software that we know can open or convert your FM3 files.

What is a FM3 file?

The file extension indicates to your device which program can open the file. However, often different programs will use the same file extension for different types of data.

For FM3 files, we are aware of 1 use, which you can read more about below.

Formatting Data for Lotus 1-2-3 worksheet (V3)

Through our analysis of FM3 files, we know that one use of the format is Formatting Data for Lotus 1-2-3 worksheet (V3). We have not yet described in detail what these files contain and what they are used for, but our team is working tiredlessly through thousands of file formats. We'd love hearing from you if you have information about the format.

We have not verified any programs yet that works with this specific format. If you know any, please use the 'Suggest a program' link below. Thanks!

Software that will open, convert or fix FM3 files

These apps are known to open certain types of FM3 files. Since many different programs may use FM3 files for different purposes, you may need to try a few of the apps to open your specific FM3 file.

Microsoft OfficeMicrosoft OfficeUser submitted
FlexMailFlexMailUser submitted
We have not verified any programs that we know for certain can work with FM3-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with FM3-files. If you know one, please use the Suggest link below and tell us about it!