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OPML file format description

OPML file format

We made this page to help you understand how to work with OPML files. Here, you can find info on software that can handle these files. It includes simple programs for opening and converting them.

Learn about the OPML file and its functions here!

We also explain how to convert them into other types. It's simple and hassle-free. For opening or changing OPML files, this page offers all the tools you need.

#1 Outline Processor Markup Language File

The OPML file is an Outline Processor Markup Language file. It is an XML-based format that allows exchange of outline-structured information between applications running on different operating systems and environments. Originally developed by Radio UserLand as a native file format for an outliner application, it has since been adopted for other uses, the most common being to exchange lists of web feeds between web feed aggregators.

Application:OPML Editor
Category:Document files
Mime-type:text/x-opml
Magic:- / -
Aliases:-

Outline Processor Markup Language File related extensions

  • bps Microsoft Works Document Backup
  • soap Simple Object Access Protocol Message
  • vcz Pictures by PC Compressed Drawing
  • wp42 Corel WordPerfect 4 for Mac Document

Did someone accidentally misspell the OPML filename?

The OPML filename extension may be misspelled. We compiled a list of similar file extensions to help you find errors.

Filename extensions similar to OPML:

Windows can't open your OPML file?

When you try to open a file by double-clicking it, Windows looks at the file's name to figure out what to do. If Windows doesn't know the file type, it'll ask you to choose an app to open this OPML file.

To set the OPML file association in Windows 11, you can follow these steps

  1. Open the Settings app by clicking on the Start menu and selecting the gear icon.
  2. In the Settings app, click on System and then select Apps from the left-hand side menu.
  3. Scroll down and click on the Default apps option.
  4. In the Default apps section, you will find various categories. They include Email, Web browser, and Music player.
  5. Locate the category that matches the file type you want to associate. For example, choose Photos for image files, or Video player for video files.
  6. Click on the current default app listed under the category. A list of available apps will appear.
  7. Choose the app you want to set as the default for that file type. If the app you want is not listed, click on More apps to see more options. Or, click on Look for an app in the Microsoft Store to search for apps.
  8. After selecting the app, it will become the default choice for opening files of that type.

It's worth mentioning that you don't always need to set OPML file association. Many apps can open files. They don't need a specific file association to be set.

Handle OPML files with care

Exercise caution when handling OPML files from unknown sources. Files from certain sources can threaten your computer's security. They might contain malware, viruses, or harmful software. To minimize risks, avoid downloading or opening unfamiliar OPML files. Use trusted antivirus software to scan files from unknown sources before opening.

If you find the information on this OPML page useful, please feel free to link to this page.

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