File Extension Library

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.OPML File Extension

  • Developer by: The Omni Group
  • Category: Web Files
  • Format: XML

What are .OPML files and how to open them?

Can't open .OPML file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .OPML file.

What is a .OPML file extension?

.OPML file extension is created by The Omni Group. .OPML has been classified as Web Files. The format of .OPML file is XML.

.OPML is Outline Processor Markup Language File

Outline document written in OPML (Outline Processor Markup Language); used to exchange lists of Web feeds (such as .RSS files) between Web feed aggregators; also used for other general outlining purposes.

Each OPML file contains the following XML elements:

  • OPML version - e.g. "1.0"
  • Head - contains metadata that describes the content
  • Body - contains the content of the outline
  • Outline - contains a line in the outline
    • List of all softwares that can open the Outline Processor Markup Language File
    Windows
    CS Odessa ConceptDraw MINDMAP
    OPML Editor
    Tkoutline
    Mac
    The Omni Group OmniOutliner 4.5
    CS Odessa ConceptDraw MINDMAP
    OPML Editor
    Circus Ponies NoteBook
    Tkoutline

    How to fix problems with .OPML files

    1. You need to update the application that you normally use to open .OPML files. Only the latest version of the software supports the current .OPML file format
    2. You need to check the .OPML file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
    AC.MSK.SU