Windows
Compatible Applications
What is a .msg file?
File Extension Details
The MSG file format is a proprietary binary file format developed by Microsoft used primarily by Microsoft Outlook to store individual email messages, meeting requests, tasks, or other Outlook items. An MSG file encapsulates all the data associated with a single item, including the sender, recipient(s), subject, body content (which can be plain text, HTML, or rich text), attachments, timestamps, and any associated metadata. Because it stores a complete, self-contained message object, it is often used for archiving specific communications or for transferring single messages between Outlook users. The structure of MSG files is based on the Microsoft Outlook Message Store (OMS) format, which is a structured storage file format. While primarily associated with Outlook, other email clients or specialized forensic tools may have limited ability to read or interpret the contents of these files, though full fidelity often requires Microsoft Outlook itself. This format is distinct from PST (Personal Storage Table) or OST (Offline Storage Table) files, which store entire mailboxes or folders.
Software Compatibility
Programs that can open and work with .msg files
macOS
Compatible Applications
Linux
Compatible Applications
Mobile
Mobile Applications
Frequently Asked Questions
About .msg files
To open a .msg file, you need compatible software. Here are some options:
- Microsoft Outlook
- MSG File Viewer (Third-party tools)
- Microsoft Outlook for Mac (limited support/conversion often needed)
- LibreOffice (via plugins or conversion)
- Microsoft Outlook Mobile App (for viewing content if imported/forwarded)
To convert a .msg file to another format, you can:
- Use compatible software Many programs that open .msg files also allow you to save or export them to different formats.
- Try online conversion services: Websites like Zamzar, CloudConvert, or Online-Convert allow you to convert files between different formats without installing software.
- Specialized conversion tools: Search for '.msg converter' to find tools specifically designed for this file type.
- Verify the file extension is correct:
- Update your software:
- Try alternative software:
- Check for file corruption:
Like any file type, .msg files can be safe or potentially risky depending on their source:
- Always scan files with antivirus software before opening
- Keep your operating system and applications updated.
- Be especially cautious with executable file types
Chat with AI about .msg files
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