A daily updated filename extension database!

LEO file extension

The table below provides useful information about the .leo file extension. It answers questions such as:

  • What is the .leo file?
  • What program do I need to open a .leo file?
  • How can the .leo file be opened, edited or printed?
  • How can I convert .leo files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ Leo Editor Outline Data

LEO file is a Leo Editor Outline Data. Leo (Leonine Editor with Outlines) is a text editor that features outlines with clones as its central tool of organization, navigation, customization and scripting.
Category: Data files
Application: LEO Editor
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
LEO aliases:
LEO related links:
LEO related extensions:

Other types of files may also use the .leo file extension.

🚫 The .leo file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

elo, meo, lso, lo, lei, ldo, lwo, loe, lfo, le

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ELO Rater Data
Logic Audio Project
Delta Force Loadout Data
Lightwave 3D Object
DOS4G Linear Executable
MEO Encrypted Archive
Alchemy Low Frequency Oscillator Presets
Label Designer Plus Document
Interleaf Compiled Lisp
LaTeX List of Theorems

🔴 Can't open a .leo file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .leo file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .leo file extension, write to us!

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