Opening an OBI File

The OBI file type is primarily associated with Outlook.

OBI	File extension: OBI
	File type:	Outlook RSS Subscription File

What is an OBI file?

OBI files mostly belong to Outlook by Microsoft. OBI is the file extension used by an Outlook RSS subscription file. Outlook is a personal information management application that is also a part of the Microsoft Office productivity suite. It provides a personal email and calendar, along with other features. The OBI file is created by Outlook to store RSS feed subscriptions for a user account. It stores information in an XML format, and can be opened in any text editor. Information saved in an OBI file may include the names, properties, and latest synchronization information of RSS feed subscriptions. The common format for the file name of an OBI file is <profilename>.sharing.XML.OBI. The path where OBI files are stored by default isAppData\Local\Microsoft\Outlook. It is possible to export an OBI file as a Outline Processor Markup Language (OPML) file. This can be done by selecting Import and Export from the File menu in Outlook and then choosing Export all RSS feeds as OPML file.

How can I open an OBI file?

You need a suitable software like Outlook to open an OBI file. You need a suitable software like Outlook from Microsoft to open an OBI file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your OBI file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a OBI file directly in the browser:. Just drag the file onto this browser window and drop it.

Online OBI Text Viewer

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Online File Viewer

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.OBI File Not Opening? How to Fix It:

OBI files can come from different programs and aren't universally openable.

Identify the Source: Exported email feeds suggest a Microsoft Outlook RSS Subscription File, while files received from colleagues may be proprietary data.
Check the Header: Inspect the first bytes in a text or hex editor:
- <?xml indicates readable XML, typical for Outlook RSS feeds.
- PK suggests a zipped archive.
- Random binary implies a proprietary data format.
Use the Original Software: The original program is usually required; try Microsoft Outlook, a standard text editor, or ask the sender if uncertain.
Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text, and preview when possible.

Technical Data for OBI File Extension

File classification:

Data

Related files:

prf, pst, ost

an obi Outlook RSS Subscription File is a special file format by Microsoft and should only be edited and saved with the appropriate software.

How to solve problems with OBI files

Associate the OBI file extension with the correct application.
Update your software that should actually open outlook rss subscription files. Because only the current version supports the latest OBI file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available Outlook update.
To make sure that your OBI file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .OBI file online - secure, fast, and no downloads needed.