Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .obi

Below, you can find answers to the following questions:

  • What is the .obi file?
  • Which program can create the .obi file?
  • Where can you find a description of the .obi format?
  • What can convert .obi files to a different format?
  • Which MIME-type is associated with the .obi extension?

1 extension(s) and 0 alias(es) in our database

Microsoft Outlook RSS Subscription Data .obi file icon

Microsoft Outlook RSS Subscription Data

OBI file is a Microsoft Outlook RSS Subscription Data.
Detailed description not available
Category: Data files
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Microsoft Outlook Navigation Bar
Microsoft Outlook E-Mail Message
Microsoft Outlook Template
Microsoft Outlook Personal Folder File
Microsoft Outlook Form Storage
Microsoft Outlook Rules Wizard
Microsoft Outlook Offline Folder File
Microsoft Outlook 2000 Auto Complete Nick List
Microsoft Outlook 2002 Auto Complete Nick List

Other types of files may also use the .obi file extension. If you have helpful information about .obi extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Wavefront Object File
Genie Outlook Express Backup Data
BSC Intermediate Object
Oxygen Phone Manager Phone Book Data
Dreamweaver Library
OpenEdge ABL Before Image
Objeck Compiled Library
Compiled Object File
Microsoft Profiler Binary Input

The .obi filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

obk (10), bi (6), obj (6), lbi (4), obl (3), pbi (2), obu (2), ohi (1), obo (1), ob (1)

Can't open a .obi file?

If you want to open a .obi file on your computer, you just need to have the appropriate program installed. If the .obi association isn't set correctly, you may receive the following error message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012, Windows 7, Windows 8, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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