.SIG File Overview

File Extension:	SIG
File Type Description:	Signature File
File Type Developer:	Unknown Developer
Primary Associated Software:	Microsoft Outlook Express
Primary Software Developer:	Microsoft Corporation

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Home File Types Text Files SIG

What is File Extension SIG?

Signature File files were originally developed by Microsoft Corporation for the Microsoft Outlook software application. Our data shows that SIG files are frequently utilized by PC users in China and popular on the Windows 10 platform. A high percentage of these users browse the web using Google Chrome.

Associated Developers and Software

	Duxbury Braille Translator by Duxbury Systems
	Microsoft OneNote by Microsoft Corporation
	Microsoft Outlook Express by Microsoft Corporation
	Broderbund PrintMaster v7 Platinum by Broderbund
	Duxbury MegaDots by Duxbury Systems
	QUALCOMM Eudora by Qualcomm
	Microsoft Outlook by Microsoft Corporation
	Duxbury QuickTac by Duxbury Systems

Top SIG User Languages

Top SIG 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
	Windows Phone

Other File Types Related to SIG Files

Extension	File Type Developer	File Category	File Type Description
.CTC	Microsoft Corporation	Developer Files	Visual Studio Command Table Configuration
.VCF	Palm	Data Files	VCard File
.3CN	Microsoft Corporation	Settings Files	3D Movie Maker Scene Data
.STC	Adobe Systems Incorporated	Web Files	Contribute Connection Key File
.JPG	Joint Photographic Experts Group	Raster Image Files	JPEG Image
.WIN	Microsoft Corporation	Backup Files	FoxPro Window Settings
.WAF	Microsoft Corporation	Temporary Files	Internet Explorer For Mac Cache
._VCSXSLN110	Microsoft Corporation	Data Files	Microsoft Visual Studio File
.PE	Microsoft Corporation	Executable Files	Portable Executable File
.HDM	Openwave Systems Ltd	Web Files	Handheld Device Markup Language (HDML) File