Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .ecfx

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

Below, you can find answers to the following questions:

  • What is the .ecfx file?
  • Which program can create the .ecfx file?
  • Where can you find a description of the .ecfx format?
  • What can convert .ecfx files to a different format?
  • Which MIME-type is associated with the .ecfx extension?
Efficient Calendar v3 Document .ecfx file icon

Efficient Calendar v3 Document

ECFX file is an Efficient Calendar v3 Document. Efficient Calendar is a professional and easy-to-use time management software for Microsoft Windows.
Detailed description not available
Category: Document files
Application: Efficient Calendar
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
Efficient Calendar v2 Document
Efficient Calendar v5 Document
Efficient Diary v5 Document
Efficient Diary v3 Document
Efficient Diary v2 Document

Other types of files may also use the .ecfx file extension. If you have helpful information about .ecfx extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

Lucene 2 Compound File
Efficient Diary v3 Document
Embird Cross Stitch Format File
Picasa Collage Data
Efficient PIM v3 Data
Efficient Calendar v2 Document
CFX Case File
eFax Document
Chordastic Export

The .ecfx filename extension is often given incorrectly!

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

cfx (1), efx (1), edfx (1), ecf (1), effx (1), ecx (1)

Can't open a .ecfx file?

If you want to open a .ecfx file on your computer, you just need to have the appropriate program installed. If the .ecfx association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.ecfx

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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