Convert EML to MSG Online

1) Upload EML file to convert

Drop files here, or Click to select

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Allowed file types: pst, ost, eml, msg, mime, smime, p7m, mbox, dbx, vcf, vmbx, opf, asice, cpgz, lzh, zcf

2) Set converting EML to MSG options

3) Get converted file

DOWNLOAD CONVERTED FILE

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Total Mail Converter

Convert emails from multiple sources to a variety of formats.

Filter emails that you want to process with our 2-level filtering.

Useful data saving options - convert only necessary data from your emails.

Unique output files formatting options specify how your files will look.

Affordable Price - pay once for a lifetime license with no hidden fees.

Command Line Support - convert emails via command line.

Fast batch conversion - convert multiple emails simultaneously.

High security options - protect your output PDF files.

Various file naming and date saving options - organize your output files easily.

Variety of attachment saving options - choose how to save attachments.

Trust - you can rely on powerful email converters from CoolUtils.

Easy to use even for beginners - enjoy clear user-friendly interface.

How to convert EML to MSG?

💾 Upload Your File: Go to the site, click on «Upload File,» and select your EML file.

✍️ Set Conversion Options: Choose MSG as the output format and adjust any additional options if needed.

Convert and Download: Click 👉«Download Converted File»👈 to get your MSG file.

📖 Learn more: What is an EML file?

Cloud Based

Convert EML to MSG in your browser — no Outlook, Thunderbird, or mail client to install. Upload the file from any device and download the MSG in seconds.

Secure

Email files can hold private correspondence, headers, and attachments. Your EML upload is encrypted in transit with HTTPS/TLS and processed in data centers with multi-factor access control during the conversion to MSG.

Ease of Use

Converting from EML to MSG has never been so simple. Our intuitive interface lets you convert files in just a few clicks.

Privacy

The message body, headers, and attachments in your EML stay yours. After the conversion to MSG, both files are deleted automatically from our servers — never read, shared, or repurposed. Privacy Policy.

EML File

File extension	.EML
Category	Document File
Description	EML files are commonly used for email files generated in Outlook Express and other mail systems. EML emails are stored in standard MIME RFC 822 format. These files include the email headline and body in text ASCII format. Emails, attachments, and hyperlinks are all included when converting EML to PDF. Users can export EML files for archiving and storage and check for harmful code. EML files are compatible with Microsoft Entourage, Apple Mail, Thunderbird, IncrediMail, Outlook Express, and more.
Associated programs	CoolUtils Mail Viewer Apple Mail IncrediMail Microsoft Outlook Microsoft Windows Live Mail Mozilla Thunderbird
Developed by	Microsoft
MIME type
Useful links	More detailed information on EML files
Conversion type	EML to MSG

MSG File

File extension	.MSG
Category	Document File
Description	MSG file is a MS Outlook email saved to a separate file. Such mail format is also used in The Bat!, Windows Mail, MDaemon, etc. It contains email fields and attachments, supporting both plain text and HTML mail formatting. As a rule, the mail content is encoded by base64 scheme. Encoding is required for mail to pass the mail servers that originally process text only. MSG can be opened in the program version it was created in, and the file will conflict with all other applications. To convert .MSG to PDF, HTML, TXT or other formats use the online converter.
Associated programs	CoolUtils MSG Viewer
Developed by	Microsoft
MIME type
Useful links	MSG Formats More detailed information on MSG files

2026-02-11

Our legal team needed Thunderbird EML exports converted to MSG so they could load everything into Outlook for a discovery request. Processed 1,200 files overnight without issues.

Sandra Okonkwo

2026-04-03

Converted my personal EML archive to MSG when my company forced a switch to Outlook — all folder structure and sent dates came through correctly. Exactly what I needed.

Dmitri Volkov

2026-05-16

Had a backup of emails in EML from an old Thunderbird install and needed them in Outlook MSG for a new job's corporate environment. Batch conversion worked perfectly on all 500+ files.

Chloe Beaumont

Rating EML to MSG

4.7 (420 votes)Rate It

FAQ ▼

How do I convert a EML to MSG for free?

To convert EML to MSG for free using Coolutils, simply upload your file on our website, select MSG as your output format, and click "Convert." Our service offers a limited number of free conversions per day without registration.

How do I save an EML as a MSG?

To save your EML as a MSG with Coolutils, upload your file, choose MSG from the dropdown menu of available formats, adjust any settings if needed, and click "Convert." Once conversion is complete, download your new MSG file directly to your device.

How do I open a EML file?

If you don't have software to open a EML file, Coolutils can help. Convert it to a more accessible format like PDF or DOCX using our online converter. Simply upload your EML file, select your preferred output format, and convert it for immediate viewing.

Is it safe to convert my files online?

Yes, converting files with Coolutils is safe. We use secure HTTPS connections, automatically delete all uploaded files within 24 hours, and never share your documents with third parties. For sensitive information, we also offer offline converter solutions.

Can I convert files using my mobile device?

Absolutely! Coolutils is fully compatible with mobile devices. Our responsive website works on smartphones and tablets running iOS or Android. Simply visit our website through your mobile browser, upload your file, select the desired output format, and convert it — no app installation required.

Online EML to MSG conversion

In the realm of digital communication, the transformation of formats is a symphony of adaptation. The conversion from EML to MSG is a testament to this evolution.

EML, the standard format for email messages, encapsulates the essence of electronic conversations. In contrast, MSG files, intricately linked with Microsoft Outlook, offer a distinct container for email content.

The Essence of EML to MSG

Converting EML to MSG is a translation of digital dialogues into a specialized Outlook message format. This metamorphosis allows emails to transcend platforms while preserving key attributes such as sender, date, subject, and message body.

From the fluid realm of emails to the structured confines of MSG, this conversion empowers users to maintain the essence of communication within a distinct ecosystem.

The Online Conversion Frontier

Online conversion platforms stand as gateways to the EML to MSG transformation. These platforms offer intuitive interfaces for uploading EML files, which are then rendered into MSG format, ready for Outlook's embrace.

Effortlessly crossing the boundaries of email platforms, users navigate this conversion with ease, breathing new life into digital correspondence.

Complexities and Considerations

Despite the seamless conversion, intricacies emerge in handling attachments, rich text formatting, and embedded content. Robust conversion platforms ensure the integrity of these elements, ensuring a faithful rendition.

Furthermore, legal and compliance aspects demand attention, ensuring the rightful conversion of content while respecting privacy and data protection laws.

The Wisdom in Transformation

EML to MSG conversion underscores the wisdom of adaptation in the digital landscape. It bridges the communication gap between email formats and Outlook's nuanced embrace, enriching the tapestry of digital interaction.

Mastering this conversion empowers individuals and organizations to harness the legacy of email conversations, fostering efficient knowledge sharing and preserving the narrative of digital discourse.