Files with sig extension can be found as signatures from Microsoft OneNote note-taking and information-management application.

There are 5 other file types using
the SIG file extension!

empty icon.sig - Signature

empty icon.sig - Creatacard project

empty icon.sig - Powersim Studio simulation data

empty icon.sig - QuickTac alternative graphics

empty icon.sig - Crestron Test Manager signal data

SIG file extension - Microsoft Office OneNote signature

What is sig file? How to open sig files?

File type specification:

Various data file type icon Various data file type

File extension sig is mostly known to be used in Microsoft OneNote, a easy-to-use note-taking and information-management program from the 2007/2010/2013/2016 Microsoft Office system.

With OneNote users can capture their thoughts and ideas in electronic notebooks, where they can be easily organized, searched, and shared.

A .sig files contains signature data used in OneNote.

Updated: November 10, 2023

The default software associated to open sig file:

Microsoft OneNote icon

Microsoft Corporation logoMicrosoft OneNote  Microsoft Windows software

Company or developer:
Microsoft Corporation

Application developed by Microsoft and used to create short notes, drawings, audio and video commentaries that can be shared with other users over Internet, or synchronized with OneNote application installed in the portable device. OneNote for desktop computers is distributed with the Microsoft Office suite and Windows 10 system, and also is available for free download.

OneNote for mobile platforms is distributed as stand alone application. Mobile form of OneNote is compatible with Windows Mobile, Windows Phone, iOS and Android mobile operating systems.

Microsoft OneNote for Mac icon

Microsoft Corporation logoMicrosoft OneNote for Mac  Apple macOS / Mac OS X software

Company or developer:
Microsoft Corporation

Microsoft OneNote for Mac is digital notebook application for Apple Mac OS X that allows users to share notes and collaborate with others, across multiple devices. It is able to Capture rich notes for classwork, meetings, or research, create an itinerary and keep track of your travel plans for your next big vacation etc.

Office 365 icon

Microsoft Corporation logoOffice 365  Multiplatform software

Company or developer:
Microsoft Corporation

Office 365 is a subscription-based service that gives users access to several services and apps from Microsoft Office. It is available some types of subscription editions (for Home, Education, Business and Enterprise users) available for Microsoft Windows and Apple macOS and all major mobile platforms.

Help how to open:

This specific type of .sig files can be only used in OneNote.

How to convert:

Conversion to other formats seems to be impossible.

List of software applications associated to the .sig file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open sig file, edit sig file, convert sig file, view sig file, play sig file etc. (if exist software for corresponding action in File-Extensions.org's database).

Hint:
Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting sig files.

Software that open sig file - Microsoft Office OneNote signature

Programs supporting the exension sig on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open sig file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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