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Are you wondering what a .eml file attachment is? An EML file is a plain text file format that can be saved to your device for both archival and document management purposes. Most EML files can be opened and saved to your computer, no matter your operating system. Learn more about EMLs, their pros and cons, and how to open this file format.

EMLs are very easy to open if you use the correct email client, like Microsoft Outlook or Windows Live Mail. However, EMLs are adaptable to multiple clients and software if you use a few special techniques.

So, are you trying to open and view a .eml file? Read on to learn more about the properties of an EML file, the pros and cons of this file format, and how to open one properly through multiple methods.

What is an EML file?

The acronym EML stands for email. It’s a file extension that shows an electronic mail message in plain text. The .eml file is a storage format for email messages, and it is received and sent through RFC-822, the basic format and code for emails on the Internet. Think of it as a digital envelope that can be opened and read by different email software.

You can download an EML file to your computer, save it, and view it with email clients like Microsoft Outlook, Windows Live Mail, and Thunderbird. An EML file archives emails as a single file, preserving the original HTML format, headers, and other metadata in the email conversation.

EMLs are used for backup and archiving, which can be useful for important conversations in a personal or professional setting. They allow users to control their archives and document management more effectively. EMLs are useful in legal cases, as they preserve the entire message and timestamps to verify the email’s authenticity. Users can also convert important documents and messages using a PDF converter to reduce file size or use password protection features to share sensitive information with others.

What’s included in an EML file?

An EML file is the plain text format of an email and is structured with a header and main body. The header will contain information like the sender and recipient’s email address, the subject line, and the date and time of the email. The main body of the EML file is the actual email message script, including any hyperlinks and attachments.

How to open an EML file.

The best way to open a .eml file is to use an email program compliant with RFC-822. If you have access to the Apple Mail email application, you can easily open an EML file on a Mac.

To open your .eml file, select the Mail application on your device, which is Apple Mail. Then, open the .eml file and download it to your Mac in your desired location. Be sure to rename it to a relevant title so you can easily locate it again in the future.

Without Apple Mail, you can open and read EML files as plain text in a web browser, such as Safari, Firefox, or Chrome, by dragging the file into the browser.

You can also use a text editor, such as Notepad, which is a standard method for opening and viewing EML files. Since EML files are saved in plain text format, it’s easy to change the .eml file extension to .txt. A .txt file is one of many different types of document files and is basically similar to viewing the email text as raw text. It’ll contain all the basic elements of the message without any hyperlinks, images, or special formatting.

A Windows operating system provides the most native support for an EML file. You can open an EML file on Windows with an email client like Windows Mail or Microsoft Outlook. First, access your email client to locate the .eml file and double-click, or right-click and then select Open with. Then, download any attachments in the file to view the proper email format or view any attached images. After opening the .eml file, download it and save it to your computer drive.

If you do not have an email client, you can open and view an EML file as plain text through your web browser, such as Microsoft Edge or Internet Explorer, since the file is compatible with the browser MHT file format. Or, you can change the .eml file extension to .mht in your web browser, but the file may not display attachments or embedded images. You can also find a free EML file online tool to open and view it.

Users can edit an EML file with an email client or with a text editor like Notepad. Users can edit the content of the email message and details within the email header, like the subject line and recipients. However, a basic text editor may be limited in its complexity and ability to change several elements of the file. Most email clients will allow you to edit the contents of the EML, including the message, the recipients and sender information, and possibly the attachments.

Pros and cons of .eml files.

EMLs are an efficient way to archive and save important files, but their tools and capabilities are limited.

Pros

A red bookmark with two black vertical lines shows how EML files preserve your email content.

Preserved email content.

EML files preserve your email content, so you don’t have to worry about losing important conversations or attachments. They’re useful for backing up or archiving email messages, which is useful for document management.

A gray box with a black arrow in the top right corner is attached to a small dotted black box in the bottom left corner.

Easy to open.

Typically, users do not need additional software to open the file format since a wide range of email clients support EML files, making them portable and easy to open.

A solid red shield behind a gray lock icon represents how EML files are secure and track email authenticity.

Security.

Since EML files preserve the original sender and recipient’s information, this is helpful for tracking email authenticity.

Cons

Two wheels, one with a black X in the center, represent how EML files have limited functionality.

Limited functionality.

EML only supports basic text content and attachments and will not retain complex metadata such as email labels. So, they cannot utilize any advanced features, like tagging and sorting, which users may rely on for email organization.

A black square with two red arrows in opposite corners pointing away from each other.

Larger file sizes.

If the email contains a lot of data or larger attachments, then the EML file may be unable to support the contents or use a lot of data on your computer.

Three gray interlocked puzzle pieces and a smaller red piece indicate EML files may lack compatibility.

Lacks compatibility.

Not all email programs support EML files, so there may be issues with readability if using an unpopular or niche email client.

A red open padlock shows how EML files may be a security risk.

Security risk.

Always be cautious when opening any file, as it may contain malware or suspicious links. Only open EML files from senders you recognize.

Frequently asked questions.

How do I open a .eml file on my mobile device?

Open a .eml file on a mobile device by first downloading a .eml opener application. Visit your app store to download an EML reader app, which will allow you to open a .eml file on your mobile device. Then, access your email and download the .eml file attachment. After it opens in the downloaded app, press save to store it on your mobile device.

Is it safe to open an EML file?

EML files are generally safe to open but are commonly used in phishing and malware attacks. Remain cautious and perform routine security checks, like looking for suspicious senders or checking the file with up-to-date antivirus software. Users can also review the file name and size to check for anything out of the ordinary. If anything appears suspicious, do not open the file or click the links or attachments. However, if the EML file appears to come from a trusted sender, then it is most likely safe to open.

How do I convert an EML file to PDF?

Convert an EML file to a PDF for a more structured view of an email message or one that is compatible across multiple platforms. Users can convert an EML file to a PDF with a reliable online conversion tool. Search for EML to PDF converters, upload the EML file as per the converter’s instructions, and download the PDF.

Users can also directly convert an existing email to PDF for archival purposes. This process allows users to password-protect sensitive data, such as a client’s personal information.

What is the difference between MSG and EML?

Although MSG and EML are both file formats for storing and transferring email messages, they have different proprietary formats. MSG is a file format specific to Microsoft Outlook, while EML is compatible with various email programs. Users can open an EML file with Microsoft Outlook, but other email clients cannot open MSG. MSG contains mailbox details that are more specific to Outlook, such as Outlook calendar events and contacts, while EML is versatile for several platforms.

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