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EMLX File Extension

Apple Mail Mac OS X Message File


Overview – What is EMLX Format?

This File extension is built by Apple Mail Mac OS X. EMLX Files are also plain text files hence can be seen in Text Editor. This is a data file that is found in Apple Mail directory.

There is one EMLX File created per message. You may find several EMLX Files with each file incremented by a no.

The file extension found in different folder depend on a type of account (IMAP or POP).

Application Category

Plain text category

File Format

Plain text form

Developed By

Apple Inc.

Technical Specifications

MIME Type

Standard Identifier application/octet-stream

Official media type for EMLX data streams.

File Signature Details

Signature (Hexadecimal) 31 31 38 30 31 30 39 34 39

Location of EMLX File

In Apple Mail Location of EMLX file depend on type of Email Account:

For Message Folder:

~/Library/Mail/Mailboxes/inbox.mbox/Messages/nnnn.emlx

For IMAP Account:

~/Library/Mail/Mailboxes/IMAP-[email_account]/Mail/inbox.imapmbox/Messages/nnnn.emlx

For POP Account:

~/Library/Mail/Mailboxes/POP-[email_account]/Mail/inbox.popmbox/Messages/nnnn.emlx

Applications Supported

Mac Mail or Apple Mail
Text Editor
How to open EMLX File

There are three methods to open EMLX File:

Method 1

Install Apple Mail or Mac Mail and open this file either directly or by importing it into Mac Mail.

Method 2

Open EMLX into the text editor. There you will see all code of EMLX file extension.

Alternatively, EMLX File can be opened using tools mentioned below

Tools that open EMLX File Extension

SysTools EMLX Viewer

Professional EMLX Viewer


Official Tool View Tool

Freeware EMLX Viewer

Complimentary Tool


Free Version View Tool
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