What is .MBOX file extension?
.MBOX file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
Email storage format used for organizing email messages in a single text file; saves messages in a concatenated format in which each message is stored after another, starting with the "From" header; originally used by Unix hosts but now supported by other email applications, including Apple Mail.
Version 1.x of Apple Mail used MBOX files and stored them in the /User/Library/Mail/Mailboxes/ directory. However, Mail 2.0 and later uses the .EMLX format, which separates the messages into individual files so that they can be searched by Spotlight.
Common MBOX Filenames:
INBOX.mbox - The name given to the primary Inbox mail folder in Apple Mail, the default email program for Mac OS X.
You can see a list of software programs here on easyfileopener.com that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.