OPML file icon

OPML File Extension

Outline Processor Markup Language Format
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    3.5 (4 votes)

What is OPML file?

OPML is a text file saved in XML format. OPML files store RSS channel information used by RSS readers and aggregators. RSS technology allows users to access news feeds and information about updated or new website content using a single application.

OPML file structure

Many different OPML versions exist. The most popular is OPML 2.0, but some feeds still use versions 1.1 and 1.0. OPML files consists of the following elements:

  • version tag,
  • head section – contains file metadata,
  • body section – contains the content of the outline,
  • outline section – contains outline elements.

Programs which support OPML file extension

The following list contains programs grouped by 4 operating systems that support OPML files. Files with OPML suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

Updated: 02/17/2024

How to open file with OPML extension?

Being unable to open files with OPML extension can be have various origins. What is important, all common issues related to files with OPML extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the ConceptDraw MINDMAP

Install software to open OPML file The most common reason for such problems is the lack of proper applications that supports OPML files installed on the system. This one is an easy one. Select ConceptDraw MINDMAP or one of the recommended programs (for example, OPML Editor, Tkoutline, Natara Bonsai) and download it from appropriate source and install on your system. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit ConceptDraw MINDMAP website and download the installer.

Step 2. Verify the you have the latest version of ConceptDraw MINDMAP

Update software that support file extension OPMLIf the problems with opening OPML files still occur even after installing ConceptDraw MINDMAP, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of ConceptDraw MINDMAP is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of ConceptDraw MINDMAP installed, it may not support OPML format. The latest version of ConceptDraw MINDMAP should support all file formats that where compatible with older versions of the software.

Step 3. Associate Outline Processor Markup Language Format files with ConceptDraw MINDMAP

If you have the latest version of ConceptDraw MINDMAP installed and the problem persists, select it as the default program to be used to manage OPML on your device. The process of associating file formats with default application may differ in details depending on platform, but the basic procedure is very similar.

Associate software with OPML file on Windows

Selecting the first-choice application in Windows

  • Choose the Open with entry from the file menu accessed by right-mouse clicking on the OPML file
  • Next, select the Choose another app option and then using More apps open the list of available applications
  • To finalize the process, select Look for another app on this PC entry and using the file explorer select the ConceptDraw MINDMAP installation folder. Confirm by checking Always use this app to open OPML files box and clicking OK button.
Associate software with OPML file on Mac

Selecting the first-choice application in Mac OS

  • From the drop-down menu, accessed by clicking the file with OPML extension, select Information
  • Open the Open with section by clicking its name
  • Select ConceptDraw MINDMAP and click Change for all...
  • If you followed the previous steps a message should appear: This change will be applied to all files with OPML extension. Next, click the Continue button to finalize the process.

Step 4. Check the OPML for errors

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the OPML file in question. Problems with opening the file may arise due to various reasons.

Check OPML file for viruses
1. Check the OPML file for viruses or malware

Should it happed that the OPML is infected with a virus, this may be that cause that prevents you from accessing it. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the OPML file is indeed infected follow the instructions below.

2. Ensure the file with OPML extension is complete and error-free

If you obtained the problematic OPML file from a third party, ask them to supply you with another copy. The file might have been copied erroneously and the data lost integrity, which precludes from accessing the file. When downloading the file with OPML extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Verify whether your account has administrative rights

Some files require elevated access rights to open them. Switch to an account that has required privileges and try opening the Outline Processor Markup Language Format file again.

4. Make sure that the system has sufficient resources to run ConceptDraw MINDMAP

The operating systems may note enough free resources to run the application that support OPML files. Close all running programs and try opening the OPML file.

5. Verify that your operating system and drivers are up to date

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Outline Processor Markup Language Format file. It is possible that one of the available system or driver updates may solve the problems with OPML files affecting older versions of given software.

Do you want to help?

If you have additional information about the OPML file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on OPML file.

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