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What is a .msg file?
A .msg file is an email saved out of Microsoft Outlook, in Outlook's own format.
This extension has been used by more than one format
2 different formats have claimed .msg over the years, so two files with the same extension aren't necessarily the same kind of thing.
How to open a .msg file
- WindowsOutlook
- WindowsFree MSG viewers
- MacOutlook for Mac
- MacA converter — Apple Mail can't read .msg directly
How to convert a .msg file
- Convert to .eml or PDF with a free MSG converter if you don't have Outlook.
MIME type
When a .msg file travels over the web, servers label it with this MIME type:
application/vnd.ms-outlookThe technical record
For archivists, developers and the merely curious: these are the PRONOM registry entries for .msg.
| Format name | Version | MIME type | PUID |
|---|---|---|---|
| Microsoft Outlook Email Message | 97-2003 | application/vnd.ms-outlook | x-fmt/430 |
| CompuServe WinCIM Message Format | — | — | fmt/1144 |