ECF File Type

- The quick facts

What are ECF files and how to open them

Are you having problems opening an ECF file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is an ECF file?

ECF files have multiple uses, and Microsoft Outlook Add-in is one of them.

Microsoft Outlook Add-in

Files that contain the .ecf file extension are most commonly associated with the Microsoft Outlook email and calendar software application. The ECF files used with the Microsoft Outlook software contain add-ins that allow users to install extra features into the Outlook application.

The add-in files can be managed using the Add-In Manager found in the Advanced Options feature in the Outlook program.

How to open ECF files

We have identified one ECF opener that is compatible with this specific type of ECF file.

Programs that open Microsoft Outlook Add-in files

Last updated: June 9, 2022

All known file formats using extension .ECF

While Microsoft Outlook Add-in is a popular type of ECF-file, we know of 4 different uses of the .ECF extension. Different software may use files with the same extension for different types of data.

Embird Cross Stitch Embroidery Design

We know that one ECF format is Embird Cross Stitch Embroidery Design. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

ECF opener for Windows

We have identified one ECF opener that is compatible with this specific type of ECF file.


More file formats using the ECF extension

Through our research of ECF files, we know that the following formats exist. However, we have not yet analyzed them in detail, and we would love to hear from you if you have information about either of them.

Executor Configuration File

Micrografx Media Manager Easy Catalog File

Various apps that use files with this extension

These apps are known to open certain types of ECF files. Remember, different programs may use ECF files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Easy CommunicatorEasy CommunicatorUser submitted
uniPaaSuniPaaSUser submitted
ThermaCAM Text File EditorThermaCAM Text File EditorUser submitted
Quick3270Quick3270User submitted
Efficient Calendar FreeEfficient Calendar FreeUser submitted
iGrafxiGrafxUser submitted
EMTPWorksEMTPWorksUser submitted
eDevelopereDeveloperUser submitted
Magic xpaMagic xpaUser submitted