.FM3 File Overview

File Extension:	FM3
File Type Description:	Lotus 1-2-3 Spreadsheet Format File
File Type Developer:	IBM
Primary Associated Software:	Microsoft Excel
Primary Software Developer:	Microsoft Corporation

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What is File Extension FM3?

Microsoft Corporation developed the FM3 file extension, also know as a Lotus 1-2-3 Spreadsheet Format File file, for the Microsoft Excel software package. Data from our web servers (annonymous users) show that FM3 files are most popular in United States and are often used by Windows 10. Statisically, these users are most likely running the Google Chrome internet browser.

Associated Developers and Software

	Microsoft Excel by Microsoft Corporation
	FileMaker Pro by FileMaker Inc.

Top FM3 User Languages

Top FM3 File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	iOS
	Android

Other File Types Related to FM3 Files

Extension	File Type Developer	File Category	File Type Description
.TSK	Microsoft Corporation	Settings Files	Pocket PC Skin
.CHART	Interscape	Text Files	Feedback Chart File
.G4	Microsoft Corporation	Graphic Files	Microsoft Access Image Format
.HHC	Microsoft Corporation	System Files	HTML Help Table Of Contents
.NB0	Unknown Developer	System Files	Device Boot Loader Image
.WDF	Workshare	Data Files	Workshare Compare DeltaFile
.MNU	Autodesk, Inc.	Settings Files	AutoCAD Interface Layout File
.MIF	Adobe Systems Incorporated	Page Layout Files	FrameMaker Interchange Format File
.MDMP	Microsoft Corporation	System Files	Windows Minidump
.BUT	ACD Systems	Uncommon Files	Canvas Web Button (CD Audio Track)