.ECF File Extension

2 file types use the .ecf file extension.
File Type 1

Outlook Add-in

Developer Microsoft
4.1  |  162 Votes
Category Plugin Files
Format N/A

What is an ECF file?

An ECF file is an add-in used by Microsoft Outlook, an email client. It contains information that adds extra features, such as enhanced security or increased productivity, to Outlook.

More Information

Add-ins are integrations developed to enhance the functionality of Outlook. They are developed by third-parties and can be accessed through the Office store or other websites. Add-ins may be available for a variety of purposes, such as providing access to the Google marketplace in Outlook, fighting spam, advanced email snippet managing, or adding advanced print tools to Outlook.

Add-ins are installed and managed differently, depending on the version of Outlook:

  • Outlook 2003 and older - Tools → Options → Other → Advanced Options → Add-In Manager....
  • Outlook 2007 - Tools → Trust Center → Add-Ins.
  • Outlook 2010 - File → Options → Trust Center → Trust Center Settings → Add-ins.
  • Outlook 2013 & 2016 - File → Options → Add-ins.
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Programs that open ECF files

Updated March 2, 2018
File Type 2

SageCRM Component File

Developer The Sage Group
3.8  |  48 Votes
Category Executable Files
Format N/A

Contains component elements created by SageCRM Customer Relationship Management software; generated when associated .ES script files are created; may include fields, tabs, buttons, and other elements that are used within the program.

More Information

ECF files are named "COMPONENT.ECF" by default and are saved in the "\CRM\<installname >\inf" directory along with the ES script files.

Programs that open or reference ECF files

Updated February 22, 2019

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