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

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 Converter

Open OPML

Edit OPML

Compare OPML Files

Merge OPML Files

Split OPML Files

OPML Metadata Viewer

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.

Open OPML File on Windows

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

Open OPML File on Mac OS

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

Open OPML file on Linux

Open OPML file on Web

Open OPML file on iOS

Open OPML file on Android

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.

About OPML - Outline Processor Markup Language File

Listed file converters are from the wide range of online file converter.

These are the most polular file/document converters based on the user's review and usage on the FileProInfo.