PC.net

.opml

File Type Outline Processor Markup Language File IconOutline Processor Markup Language File
File Format Standard (developed by The Omni Group)
Usage Runs when opened
Rank ★ ★ ★  Common
Description

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:

  1. OPML version - e.g. "1.0"
  2. Head - contains metadata that describes the content
  3. Body - contains the content of the outline
  4. Outline - contains a line in the outline

Open With
Windows

IconCS Odessa ConceptDraw MINDMAP

IconOPML Editor

IconTkoutline

macOS

IconThe Omni Group OmniOutliner

IconCS Odessa ConceptDraw MINDMAP

IconOPML Editor

Updated 2007
Information from the PC File Extensions Reference
https://pc.net/extensions/file/opml
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