OPML
(redirected from Outline Processor Markup Language)Also found in: Acronyms.
OPML
(Outline Processor Markup Language) An XML-based format for describing outline-based content such as playlists and to-do lists.Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.