.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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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 Romania and popular on the Windows 10 platform. A high percentage of these users browse the web using Google Chrome.

Associated Developers and Software

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

Top SIG User Languages

Top SIG File User Browsers

Desktop Friendly?


Mobile Friendly?


Most Popular SIG File Countries

Top User Operating Systems

Windows 7 Windows 10 Windows 8.1 Windows XP

Associated Operating Systems

Windows Phone

Other File Types Related to SIG Files

Extension File Type Developer File Category File Type Description
.GQSX Microsoft Corporation Settings Files Microsoft Office SmartArt Styles File
.WBK Microsoft Corporation Backup Files Word Document Backup
.PRF Microsoft Corporation Settings Files Outlook Profile File
.YML Unknown Developer Developer Files YAML Document
.DTH Microsoft Corporation Data Files Microsoft Windows Application Log File
.DIAGPKG Microsoft Corporation System Files Troubleshooting Pack File
.PRE IBM Data Files Lotus Freelance Graphics File
.GBL Ucamco Data Files Gerber Bottom Layer Data File
.JSPF Oracle Corporation Developer Files Java Server Page Fragment
.WWS Microsoft Corporation Settings Files Microsoft Works Wizards File

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