Email file of .EML formatWhat is EML file? How to move EML to Outlook?  EML format ( RFC 822 standard ) was developed to store single email message inside plain text file. Standard structure of EML file consists from the email headers, email body and mime-encoded attachment part. Standard email message can be split to several smaller parts if the email client is supported to do so. Main parts of the .eml file structure are described below:

EML file header: the part of the email where all email addresses, subject and time stamps, encoding marks are located.
EML email body: the part of the email where the main message body is stored. The message body can be encoded and stored as plain text or HTML. The email body can contain links and images.
EML attachments: the part of the email where the encoded attachments are placed one by one.

How to Open EML file?

How to open EML email fileEML format is corresponding to Outlook Express but EML files can be saved and opened by wide range of email applications such as Apple Mail, The Bat! Mozilla Thunderbird, Microsoft Outlook (latest versions only), Microsoft Entourage, IncrediMail.  EML file can be opened also by Opera, Firefox and Internet Explorer. You just need to change the file extension from .EML to .MHT and then it can be opened. Please note that the changing of file extention is not changing the file format. To change the .EML file format to real .MHT format (Mime HTML) you may use EML to MHT Converter (the tool allows to convert EML files to any other format such as MHT, TXT, HTML, RTF etc.) and also EML to Outlook .PST and .MSG formats.
The MHT format can be used to transfer emails to the third parties without loosing of the email formating so you can be sure that the the email message will be correctly opened and viewed. As the EML file format is the plain text – you may open it also using any available text editor or viewer such as Notepad.

How to transfer EML to Outlook?

Microsoft Office OutlookEML files can be imported inside Microsoft Office Outlook using different EML to Outlook migration methods. The best one is using of the special EML to Outlook converter which can change the .EML format to the native Outlook interpretation and then import emails and EML attachments to Outlook. There is a lot email conversion software but only some of them can do the complex of EML data conversion routines qualitatively.

Method #1 (Drag-n-Drop):

Each .eml file can be opened inside MS Outlook for viewing (supported by Outlook 2003 and above). It is enough to set the Outlook to be default email client and double click to the .eml file to open it.  But that is not imports EML to Outlook.
To transfer .eml file inside Outlook you should drag the email file inside any Outlook folder and the drop it (release the mouse button). Outlook will open dragged email message and you will be able to save it inside desired folder. But this method is only works for single .eml file and it is impossible to move the amount of EML files inside Outlook using this method.

Method #2 (Using of free importing software):

There is a lot of free Outlook importing tools available over the Internet. Free EML to Outlook importing tools are able to do the job but a lot of them installing the unexpected content inside the system such as browser tool-bars, Outlook add-ins and also ad-ware, spy-ware modules. After installing the free EML to Outlook importing tools you have no guarantee that your personal correspondence will not be sent to a third party without your permission. We know many cases when after using the free Outlook utilities the contact list became available to spammers.

Method #3 (Using commercial importing tools):

The best method is using of special software tool to transfer amount of .eml files inside Outlook.  By using of the commercial software you are guaranteed that your data is protected from use by the third parties, you are able to get technical help in case if you need it. Software manufacturers are responsible for product quality and their support is always at your order.

Following list describes EML to Outlook converters which has been tested: 

EML to Outlook Converter (former Outlook Transfer utility) – the tool is designed especially for .eml to outlook migration. The EML to Outlook Converter tool is capable to import emails of .eml and .emlx format from the given directory inside MS Outlook folder. The tool is preserving the folders nested structure intact. [Windows OS, 32-bit or 64-bit version of MS Outlook]

Outlook Import Wizard – outlook import software provides the best solution for EML to Outlook or PST conversion. The software is able to scan the directory and its sub-folders for emails, contacts and other items and import the folders structure and found items inside Outlook. The tool is creates copy of the hard drive folders structure inside Outlook and imports .EML, .MSG, .VCF, .EMLX, .DAT and other files in accordance with folders structure.  [Windows OS, any version of MS Outlook]

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EML to PST Converter – special tool to convert .EML and .MSG files to a single file of .PST format. The .PST file can be opened and used then with MS Outlook. The EML to PST Converter is able to import emails also directly to MS Outlook.  [Windows OS, 32-bit version of MS Outlook]

EML to Outlook Transfer – the modern tool which works only with files of EML format. It is capable to import and convert emails from EML files directly to Outlook and/or new PST file. It can be widely used to import EML files saved from many compatible emails clients software such as Thunderbird, Outlook Express, Windows Mail, The Bat and others. The program has very simple GUI and the email conversion can be accomplished in one button click. This tool is working with any version of Microsoft Outlook, including both 32 bit and 64 bit modules in the program setup and may import EML to Outlook 2016.

Please inform us if you know any other methods of EML to Outlook transfer.