.123 File Overview

File Extension:	123
File Type Description:	Lotus 1-2-3 Spreadsheet
File Type Developer:	IBM
Primary Associated Software:	Apache OpenOffice
Primary Software Developer:	Apache Software Foundation

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123

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Home File Types Spreadsheet Files 123

What is File Extension 123?

Open Source developed the 123 file extension, also know as a Lotus 1-2-3 Spreadsheet file, for the Gnumeric software package. Annoymous user data statistics infer that 123 files are most popular in China and with those using Windows 10 devices. A high percentage of these users browse the web using Google Chrome.

Associated Developers and Software

	PCB123 by Sunstone Circuits
	Apache OpenOffice by Apache Software Foundation
	Lotus 1-2-3 by IBM
	Gnumeric by Open Source
	NeoOffice by Planamesa Software Inc.

Top 123 User Languages

Top 123 File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 7	Windows 10	Windows 8.1	Windows XP

Associated Operating Systems

	Windows
	Mac
	Android
	Linux

Other File Types Related to 123 Files

Extension	File Type Developer	File Category	File Type Description
.WR!	IBM	Spreadsheet Files	Lotus 1-2-3 Spreadsheet
.WK!	IBM	Spreadsheet Files	Lotus 1-2-3 Spreadsheet
.ODCCUBEFILE	Apache Software Foundation	Uncommon Files	OpenDocument 1 Chart
.JNLP	Oracle Corporation	Web Files	Java Web Start File
.RPT	SAP	Data Files	Crystal Reports File
.DUMP	Microsoft Corporation	System Files	Dump File
.BAU	Sun Microsystems	Settings Files	Apache OpenOffice AutoText File
.PCD	PokéCheats	Game Files	Pokémon Wonder Card File
.DIF	Microsoft Corporation	Data Files	Data Interchange Format
.OTT	Apache Software Foundation	Text Files	OpenDocument Document Template

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