What is a .OPML File And How To Open It – The Omni Group (Easy Steps)

Table of Contents

Introduction

Have you came across a file with the .opml extension, but it is a file you have never seen before? It is important to know how to open this file – in order to be able to work with it. In this article we will explain what .opml file extension is, how to open it and how to work with it.

What is a .OPML file?

The file extension .OPML is from Outline Processor Markup Language File.It was developed by The Omni Group. The format of this file is xml, and it is a web related file.

What to know

There are currently 4 software that can open the .opml file on 2 platforms.

How to open a .OPML file?

In this part of the article we will show you how to open the .OPML file on various operating systems.

How to open a .OPML file on Windows (7, 8, 10)

The .opml file can be opened in 4 steps on Windows.

1. In the first step you need to download the Tkoutline software. You will be using this software in order to open the file. The other software that you can use is CS Odessa ConceptDraw MINDMAP, OPML Editor and Tkoutline.

Step 2

Step 2: Locating your .OPML file

2. In the second step you need to locate the downloaded file. If you don’t remember where you have downloaded your file to, you should check your /download/ folder as it usually gets automatically saved there.

Step 3

Step 3: Choose “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choose the software and click ok

4. After choosing the “Open with” option, you will have an option to choose the Tkoutline software you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

How to open a .OPML file on Mac

We have written below an easy-to-understand guide on how to open the .opml file on Mac in 4 easy steps.

1. The first step is to download the Tkoutline software. This software will be used for opening the file. The other software that you can use is The Omni Group OmniOutliner 4.5, CS Odessa ConceptDraw MINDMAP, OPML Editor and Tkoutline.

Step 2

Step 2: Finding your .OPML file

2. In the second step you need to locate the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Clicking “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choosing the software to open your file

4. In the fourth step, after clicking “Open with”, you should see the Tkoutline software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Mac.

Still cannot open the .OPML file?

If you cannot open the .OPML file, it is entirely possible that you are trying to open the wrong file. The .OPML file extension is similar to other file extensions such as: .ops – Microsoft, .opt – Options File, .opt – Zeljko Finzgar, .options – SE-SOFT, .opts – Linux Configuration Options File. You might be trying to open one of them. Please recheck the file extension again.

Conclusion

In this article you have learned how to open the .OPML file with the Tkoutline, CS Odessa ConceptDraw MINDMAP, OPML Editor programs on Windows and Tkoutline, The Omni Group OmniOutliner 4.5, CS Odessa ConceptDraw MINDMAP, OPML Editor programs on Mac.