.OPML File Recovery

Have files been deleted due to a user’s error or software error? Have you formatted a disk by accident and need to know how to recover the files? Read our .OPML file recovery guide for Windows, MacOS, Android and IOS in 2024.

OPML File Recovery

What is a .OPML file?

Outline document written in OPML (Outline Processor Markup Language); used to exchange lists of Web feeds (such as .RSS files) between Web feed aggregators; also used for other general outlining purposes.

What Are Common Causes of ".OPML" Files Lost or Failure?

There are several common causes for ".OPML" file loss or failure:

  1. Accidental deletion: The most common cause is accidentally deleting the ".OPML" file from the computer or storage device.
  2. File corruption: ".OPML" files can get corrupted due to various reasons such as power outages, improper shutdowns, hardware failure, or software errors.
  3. Virus or malware attack: Malicious software can infect and damage ".OPML" files, making them inaccessible or causing them to fail.
  4. Software or system errors: Issues with the software or operating system can lead to ".OPML" file loss or failure. This can include software crashes, compatibility issues, or bugs.
  5. Formatting or partition errors: If a storage device or drive containing ".OPML" files is formatted or partitioned incorrectly, it can result in file loss or failure.
  6. Human error: Mistakenly moving or renaming ".OPML" files, or saving them in the wrong location, can cause them to be lost or become inaccessible.
  7. Hardware failure: Hard drive failure, disk errors, or problems with the storage device can lead to ".OPML" file loss or failure.
  8. Synchronization issues: If ".OPML" files are being synced across multiple devices or platforms, synchronization errors can occur, resulting in file loss or failure.

It is always recommended to regularly backup important ".OPML" files to prevent data loss and use reliable antivirus software to protect against malware or virus attacks.

How to recover lost ".OPML" files?

Sometimes while working with a computer, laptop or other stationary or mobile devices, you may encounter various bugs, freezes, hardware or software failures, even in spite of regular updates and junk cleaning. As a result, an important ".OPML" file may be deleted.

Go to view
🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

🧺 How to Recover Files and Folders After Sending Them to the Recycle Bin and Deleting? (Windows 11)

By no means should you think that the only way to recover a ".OPML" file is always to create it once more.

Use programs for recovering ".OPML" files if a file was lost after accidental or deliberate deleting, formatting the memory card or the internal storage, cleaning the storage device, after a virus attack or a system failure.

Programs to recover ".OPML" files

Looking for a way to get files back? In cases when files were deleted and they cannot be restored by using standard operating system tools, use Hetman Partition Recovery.

The tool recovers data from any devices, regardless of the cause of data loss.

Follow the directions below:

  1. Download Hetman Partition Recovery, install and start the program.

  2. The program will automatically scan the computer and display all hard disks and removable drives connected to it, as well as physical and local disks.

    File Recovery Software
  3. Double-click on the disk from which you need to recover ".OPML" files, and select analysis type.

    Hetman Partition Recovery - Analysis Type
  4. When the scanning is over, you will be shown the files for recovery.

    Hetman Partition Recovery - Files that Can be Restored
  5. To find a file you need, use the program’s interface to open the folder it was deleted from, or go to the folder "Content-Aware Analysis" and select the required file type.

    Hetman Partition Recovery - Deep Scan
  6. Select the files you have been looking for and click "Recovery".

    File Recovery Software - Files List for Recovery
  7. Choose one of the methods for saving the files and recover them.

    Saving recovered files in Hetman Partition Recovery

How to open file with ".OPML" extension?

Looking for how to open a stereo outline Processor Markup Language File image file file?

Programs that open ".OPML" files

CS Odessa ConceptDraw MINDMAP CS Odessa ConceptDraw MINDMAP
OPML Editor OPML Editor
Tkoutline Tkoutline
The Omni Group OmniOutliner 4.5 The Omni Group OmniOutliner 4.5
CS Odessa ConceptDraw MINDMAP CS Odessa ConceptDraw MINDMAP
OPML Editor OPML Editor
Tkoutline Tkoutline

Additional Information

  • File type: Outline Processor Markup Language File

  • File extension: .OPML

  • Developer: The Omni Group

  • Category: Web Files

  • Format: XML


We will be happy to answer your questions!

Comments (1)

  • Hetman Software: Data Recovery
    Hetman Software: Data Recovery 18.12.2019 14:20 #
    Leave a comment if you have any questions about Recovering lost .OPML files after deleting, cleaning or formatting!
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Vladimir Artiukh

Author: Vladimir Artiukh, Technical Writer

Vladimir Artiukh is a technical writer for Hetman Software, as well as the voice and face of their English-speaking YouTube channel, Hetman Software: Data Recovery for Windows. He handles tutorials, how-tos, and detailed reviews on how the company’s tools work with all kinds of data storage devices.

Oleg Afonin

Editor: Oleg Afonin, Technical Writer

Oleg Afonin is an expert in mobile forensics, data recovery and computer systems. He often attends large data security conferences, and writes several blogs for such resources as xaker.ru, Elcomsoft and Habr. In addition to his online activities, Oleg’s articles are also published in professional magazines. Also, Oleg Afonin is the co-author of a well-known book, Mobile Forensics - Advanced Investigative Strategies.


Questions and answers

  • What is the meaning of .OPML file format and what is its purpose?

    The .OPML file format stands for Outline Processor Markup Language. It is an XML-based file format used for creating, editing, and exchanging outlines of information.

    The primary purpose of an OPML file is to organize and share outlines, which are hierarchical lists of information. Outlines can be used for various purposes such as managing bookmarks, organizing RSS feeds, creating project plans, brainstorming ideas, and more.

    OPML files can be created and edited using various software applications and text editors that support the format. They typically consist of a structured hierarchy of nested outlines, with each outline element containing attributes such as text, URL, and metadata.

    OPML files are commonly used in applications like feed readers and podcast managers to import and export subscription lists. They allow users to easily transfer their collection of RSS feeds or podcast subscriptions between different software or devices. Additionally, OPML files can be used to share outlines with others, enabling collaboration and information exchange.

  • How can I open a .OPML file and what software or tools are required for it?

    To open a .OPML (Outline Processor Markup Language) file, you will need software or tools that support this file format. Here are a few options:

    1. Web Browsers: Most modern web browsers can open .OPML files directly. Simply double-click the file, and it will open in your default browser, displaying the outline structure.
    2. Text Editors: .OPML files are essentially XML files, so you can open them with any plain text editor. This allows you to view and edit the file's content directly. Notepad (Windows) or TextEdit (Mac) are examples of text editors that can open .OPML files.
    3. OPML Editors: There are dedicated OPML editors available that provide a more user-friendly interface for working with .OPML files. Some popular options include:
    • Feedly: Feedly is primarily an RSS reader, but it also allows you to import and export .OPML files. You can import the file into your Feedly account to organize and manage your RSS feeds.
    • OmniOutliner: OmniOutliner is a comprehensive outlining tool for macOS and iOS. It supports .OPML files and provides advanced features for organizing and structuring outlines.
    • TreeLine: TreeLine is a cross-platform information manager that supports .OPML files. It allows you to create and organize hierarchical outlines, making it suitable for managing various types of data.

    RSS Readers: .OPML files are commonly used to import and export RSS feed subscriptions. Many RSS readers, such as Feedly, Inoreader, or NewsBlur, allow you to import .OPML files to quickly add multiple feeds to your reader.

    Remember that the specific software or tool you choose may depend on your needs and the operating system you are using.

  • Are there any specific steps or instructions to follow in order to successfully open and view the contents of a .OPML file?

    Yes, here are the steps to open and view the contents of a .OPML file:

    1. Determine the software or application you want to use to open the .OPML file. It can be a text editor, web browser, or an OPML-specific application.
    2. If you prefer using a text editor, right-click on the .OPML file and select "Open With" or "Open With > Choose another app" (on Windows) or "Open With" (on macOS). Then choose a text editor like Notepad (Windows) or TextEdit (macOS).
    3. If you want to use a web browser, simply double-click the .OPML file, and it will likely open in your default web browser. However, the display might not be perfectly formatted.
    4. To use an OPML-specific application, you can search for an OPML reader or aggregator software online and download/install it on your computer. Some popular options include Feedly, Microsoft Outlook, or dedicated OPML readers like OPML Editor.
    5. Once you have selected the appropriate method, the .OPML file will open, and you will be able to view its contents. OPML files often contain outlines, lists, or structured data, which can be expanded or collapsed depending on the software you use.

    Note: Opening an .OPML file does not guarantee that it will have meaningful information. The contents depend on the purpose of the file and how it was created.

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