ID2 File Type

- The quick facts

What are ID2 files and how to open them

Are you having problems opening an ID2 file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an ID2 file?

Files that contain the .id2 file extension are most commonly used by the Microsoft Live Messenger instant messenger application. The ID2 files that are used by the software allow the application to store image data for the Microsoft Live Messenger program.

Some of the data that is contained in the ID2 files include the user's signature data, emoticon details, keyboard shortcuts and avatar settings. A user's ID2 files are encrypted. The user's Microsoft Passport ID is used to decrypt the files so that they can be used in the Windows Live Messenger program when a user begins a Windows Live Messenger session.

How to open ID2 files

Important: Different programs may use files with the ID2 file extension for different purposes, so unless you are sure which format your ID2 file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 2 different ID2 openers which you will find listed below.

Last updated: September 11, 2012

Various apps that use files with this extension

These apps are known to open certain types of ID2 files. Remember, different programs may use ID2 files for different purposes, so you may need to try out a few of them to be able to open your specific file.

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