Read data from email attachments which is of type .msg or .eml

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Posted on by BR-09061740-0

I am designing a workflow to extract data from email attachments that are themselves emails (.eml or .msg files). It appears Power Automate cannot natively parse these binary formats directly. Can anyone confirm if my understanding is correct?

Also, what is the best practice to design this solution?

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chiaraalina 2,425 Super User 2026 Season 1 on at

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Hi @BR-09061740-0

You can use Encodian (Third-Party). It provides ready-made actions like the "Email – Extract Attachments” which can directly parse .eml or .msg file content into fields and extract any attachments within them.

Good thing is 50 credits a month are free. If you need more than 50 runs a month you have to do a subscription.

Filename (you can choose different)

concat(formatDateTime(utcNow(),'yyyyMMdd-HHmmss'), '-', outputs('Get_email_(V2)')?['body/subject'], '.eml')

File Content

@{body('Get_Email_Content')}

Hope it helps!

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stampcoin 5,171 Super User 2026 Season 1 on at

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@BR-09061740-0 Hi,

I think basically you may consider to use Send an HTTP request in Office 365 Outlook.

reference link:

https://learn.microsoft.com/en-us/graph/api/attachment-get?view=graph-rest-1.0&tabs=http

for msg attachment
Get:

https://graph.microsoft.com/v1.0/me/messages/{message-id}/attachments/{attachment-id}

for eml attachment

Get:

https://graph.microsoft.com/v1.0/me/messages/{message-id}/attachments/{attachment-id}/$value

Enjoy Power Platform and have a great day 🚀 | My LinkedIn

If the answer helps, please consider 👍, Thanks.

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11manish 3,333 on at

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Yes, your understanding is correct.

Power Automate does not have a native action that can directly parse the contents of .msg (Outlook message) files, and support for .eml files is limited. While

Power Automate can retrieve the attachment as binary content, it cannot natively extract properties.

Power Automate alone cannot reliably parse .msg files and has only limited capability with .eml files.

The recommended enterprise approach is to use an Azure Function (or a specialized parsing service) to convert the email attachment into structured JSON, then

continue processing in Power Automate.

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