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OPML File Extension

OPML file extension is created by The Omni Group, also known as Outline Processor Markup Language File. OPML has been classified as Web Files. This file is saved in an XML structure and its contents can be viewed in a Text Editor. You can open OPML files in The Omni Group OmniOutliner 4.5 program.



Outline Processor Markup Language File Type

Outline Processor Markup Language File Type
Extension .opml
Developer The Omni Group
Popularity 5.0 (40 Votes)
Mime Type mime-type/not.available
Default Program The Omni Group OmniOutliner 4.5
Category Web Files
Format XML
Updated 12/1/2024

What is a OPML File Type?



Free online OPML Tools & Apps

We have also the free online .OPML (Outline Processor Markup Language File) file extension apps that can allow to view, edit, convert from to OPML, merge, split and compare the OPML files without installing anything on your system. Please click on the links to explore the complete list of details for each required feature.



OPML Files Common Issues

There are few common issues with the Outline Processor Markup Language File .OPML File Extensions while opening the .OPML files on Windows and MacOs, we have solution to those issues such as:

Can't Open OPML Files?

  1. You must have supported software programs installed for Outline Processor Markup Language File on your system such as The Omni Group OmniOutliner 4.5.
  2. Associate default The Omni Group Omnioutliner 45 The Omni Group OmniOutliner 4.5 program for *.opml (Outline Processor Markup Language File) files.

    Associate OPML Default Program on Windows
    1. Right-click a *.OPML (e.g example.opml) file and click Open With.
    2. In the Open with dialog box, click The Omni Group Omnioutliner 45 The Omni Group OmniOutliner 4.5 program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .opml files.

    Associate OPML Default Program on MacOs
    1. Click *.OPML (e.g example.opml) file and click information -> Open With.
    2. In the programs list, click The Omni Group Omnioutliner 45 The Omni Group OmniOutliner 4.5 program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .The Omni Group OmniOutliner 4.5 extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related OPML File Extensions

OPML default file extension is .OPML and other similer related extensions are:



All Platform Software Programs for OPML File Extension

List of all softwares that can open the OPML files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open OPML File on Windows

Software License Developer
CS Odessa ConceptDraw MINDMAP image. CS Odessa ConceptDraw MINDMAP 8 for Windows Commercial CS Odessa
Microsoft Office Profile Wizard image. Microsoft Office Profile Wizard 000 for Windows Free Trial Microsoft

MacOs logo image - FileProInfo.comOpen OPML File on Mac OS

Software License Developer
CS Odessa ConceptDraw MINDMAP image. CS Odessa ConceptDraw MINDMAP 8 for MacOs Commercial CS Odessa
The Omni Group OmniOutliner 4.5 image. The Omni Group OmniOutliner 4.5 000 for MacOs Free Trial The Omni Group OmniOutliner 4.5

Linux logo image - FileProInfo.comOpen OPML file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen OPML file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen OPML file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen OPML file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

OPML file extension icon image.About OPML - Outline Processor Markup Language File

FileProInfo is to help you understand about the Outline Processor Markup Language File with *.OPML suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for OPML. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for OPML, please let us know.

Updated 12/1/2024


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