.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 China 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
.BTC	Microsoft Corporation	Compressed Files	Becker Tools Compressed Archive
.FSX	Microsoft Corporation	Developer Files	Visual F# Script File
.XLB	Microsoft Corporation	Settings Files	Excel Toolbars File
.AI4	Adobe Systems Incorporated	Vector Image Files	Encapsulated PostScript File
.ISP	Microsoft Corporation	Settings Files	IIS Internet Service Provider Settings
.WFS	Microsoft Corporation	Developer Files	Microsoft Windows Installation Script
.LPCM	Microsoft Corporation	Audio Files	Movie Maker Audio
.CXE	Sublime HQ Pty Ltd	Developer Files	Common XML Envelope Data
.ABF	Adobe Systems Incorporated	Font Files	Adobe Binary Screen Font File
.SPOP	Opera Software	Data Files	InterTrust SPOP File