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12O file extension

The table below provides useful information about the .12o file extension. It answers questions such as:

  • What is the .12o file?
  • What program do I need to open a .12o file?
  • How can the .12o file be opened, edited or printed?
  • How can I convert .12o 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

✅ EditPlus Data

EditPlus Data .12o file icon
12O file is an EditPlus Data. EditPlus is a text editor for Windows with built-in FTP, FTPS and sftp capabilities.
12O format description not yet available
Category: Data files
Application: EditPlus
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
12O aliases:
12O related links:
12O related extensions:
EditPlus Syntax Data

EditPlus Auto Completion Data

EditPlus Cliptext Data

Other types of files may also use the .12o file extension.

🔴 Can't open a .12o 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 .12o 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 .12o file extension, write to us!

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