OBI File - opening and understanding

Did your computer fail to open an OBI file? We explain what they are used for and recommend software that we know can open or otherwise 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

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension OBI for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 1 different OBI openers which you will find listed below.

Suggest another file format using extension OBI

While we know of one file format using the .OBI file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .OBI file.

Various viewers for this file format

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 MailUser submitted
We have not verified any software that we know for certain will work with OBI-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with OBI-files. If you know one, please use the 'Suggest a program' link below and tell us about it!