MSG versus EML

Two email files. Very different containers.

MSG preserves Outlook MAPI properties in compound storage. EML preserves an internet message with headers and MIME parts, making it more portable across mail software.

Free · private · no uploads · no account

Open an email file

Drop it here or choose it from your computer.

MSGEMLEMLXWINMAIL.DATMBOX

Processed locally. Your file never leaves this browser.

How it works

Three steps. No detour through a server.

  1. 1Open either format
  2. 2Inspect the fields each source preserves
  3. 3Convert MSG to EML when you need portability

MSG can contain non-email Outlook items

EML exposes raw internet headers

Both can contain HTML, text, and attachments

Straight answers

Common questions

Which format is better for long-term portability?

EML is generally understood by more email applications, while MSG may retain Outlook-specific fidelity.

Does converting MSG to EML preserve everything?

It preserves recovered standard message content, but some Outlook-only properties have no equivalent MIME field.