Open an MSG file without Outlook
MSG is a message file created by Microsoft Outlook. It can contain the sender, recipients, subject, dates, formatted or plain-text content and file attachments. FormatPeek reads this information and presents it as a familiar email.
Your email is not uploaded
Parsing happens locally on your device. The MSG file and its attachments are not sent to FormatPeek or stored on a server. Closing this page clears the opened message from the browser.
What this MSG viewer displays
- Sender, To and Cc recipients
- Subject and message date
- HTML or plain-text email body
- Downloadable attachments
- Raw message headers when available
Frequently asked questions
Can I open an MSG file on a Mac?
Yes. This viewer works in a modern web browser on macOS and does not require the Windows version of Outlook.
Is it safe to view an MSG file online?
This viewer processes the file locally. Remote images are blocked in the preview to reduce unwanted tracking, and scripts inside the message cannot run.
Can I download attachments?
Yes. Attachments are extracted in browser memory and can be downloaded individually.