Drop your file to analyze it

OBI File

What are OBI files and how to open them

Are you having problems opening an OBI file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your OBI files.

What is an OBI file?

Files with the .obi extension are most commonly associated with the Microsoft Outlook software application. Microsoft Outlook is a part of the Microsoft Office Suite of software applications. The OBI files contain the RSS subscription names and properties that are used to store RSS subscription feeds in a user's outlook profile. These files are stored in the XML file format.

How to open OBI files

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

While we have not verified the app ourselves yet, our users have suggested a single OBI opener which you will find listed below.

Last updated: December 30, 2019

Various apps that use files with this extension

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

Windows Live MailWindows Live MailDiscontinued

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about OBI file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.