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

  • What is the .efx file?
  • What program do I need to open a .efx file?
  • Where can I find the specifications for .efx?
  • How can I convert .efx file to another format?

We hope you find this page helpful and a valuable resource.

Details of extension .efx

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1 extension(s) and 0 alias(es) found in database.

Extension: .efx
Type: eFax Document
Category: Document
Mime type: image/efax
Description:
EFX file is an eFax Document. eFax is a service of j2 Global Communications that allows users to receive and send fax documents in digital format (e.g., in email).
[Detailed description] [Sample not yet available]
Open with: eFax Messenger
Program name: none
Related links:
none
Aliases:
none
Related extensions:
apx, awd, can, fax, fpx, rsb, tif, wfx

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In many cases all you need to do is identify the appropriate program in the filesuffix.com database and install it. In other cases it may be due to registry damage. For this reason we always recommend that you run a scan for registry errors.

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