A daily updated filename extension database!

EDFX file extension

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

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

✅ Efficient Diary v3 Document

EDFX file is an Efficient Diary v3 Document. Efficient Diary is a cross-platform, easy-to-use and powerful electronic diary software package which allows you keep a diary on either PCs or mobile phones.
EDFX format description not yet available
Category: Document files
Application: Efficient Diary
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
EDFX aliases:
EDFX related links:
EDFX related extensions:
Efficient Calendar v3 Document

Efficient Calendar v2 Document

Efficient Calendar v5 Document

Efficient Diary v5 Document

Efficient Diary v2 Document

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

🚫 The .edfx file extension is often given incorrectly!

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

edx, dfx, efx, edf, ecfx, erfx, effx, edgx, eddx

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Edraw Max Document
Softdesk Drafix CAD Document
eFax Document
Altera EDIF Input File
SmartWare Relate Definition File
Efficient Reminder v3 Data
Efficient Diary v2 Document
qs-STAT Q-DAS Value File
Microvellum Edgeband File
Efficient Calendar v3 Document

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

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