Files with fm3 suffix can be mainly found as old spreadsheets from Lotus 1-2-3 version 3. Somewhat obsolete format.

There are 2 other file types using
the FM3 file extension!

empty icon.fm3 - Harvard Graphics 3.0 device driver

empty icon.fm3 - FileMaker version 3 database document

Detailed description

Software that open fm3 file

Add comment

Bookmark & share this page with others:

FM3 file extension - Lotus 1-2-3 version 3.x spreadsheet

What is fm3 file? How to open fm3 files?

File type specification:

Spreadsheet and workbook file type icon Spreadsheet and workbook file type

fm3 file icon: fm3 filetype icon

File extension fm3 is mainly associated with old Lotus 1-2-3 spreadsheet editor. A .fm3 files were used as spreadsheets in Lotus 1-2-3 release 3.X.

MIME: application/vnd.lotus-1-2-3, application/x-123

This fm3 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open fm3 file:

Lotus 1-2-3 icon

IBM logoLotus 1-2-3  Microsoft Windows software

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.

Help how to open:

Use Lotus 1-2-3 to open the .fm3 files. Also some spreadsheets programs can still open the .fm3 files, however the latest Microsoft Excel 2007/2010 no longer support that format. You can have luck with any earlier version of Excel, but you will probably lose some of the formatting from the .fm1 files.

How to convert:

Possibly can be exported to other spreadsheet or document formats.

Find conversions from fm3 file:

fm3 to pdf

fm3 to wks

fm3 to wr!

Find converter to fm3 file type:

lwd to fm3

List of software applications associated to the .fm3 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open fm3 file, edit fm3 file, convert fm3 file, view fm3 file, play fm3 file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting fm3 files.

Software that open fm3 file - Lotus 1-2-3 version 3.x spreadsheet

Programs supporting the exension fm3 on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about Lotus 1-2-3 for open fm3 file action.

Microsoft Windows:

Previous file extension
FM1 file extension > Spreadsheet and workbook file types

Next file extension
file extension FODS


Follow us!

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed