MBOX stands for mailbox. It is a file format that is used for holding collections of email messages. All messages in mbox are concatenated and stored as a plain text in a single file. It uses 7 bit ASCII text for storing the message in encoded format.
MBOX is the common way to store all your messages on a hard drive.Mbox is the mail box file format which concatenate the plain text data into single file. In this the new message are appended at the end of file. The messages in the Mbox is immediately prefaced by a separation line while other messages will begin with two end of line sequences. It stores the copy of message on the local disk. It usually stores without extension and created by default.
Various Variations on mbox:-
Mboxo » it uses a contant string in place of senders email address. It is the main mbox format.
Mboxrd » it is just a variation of mboxo.
Mboxcl » it is used my unix system V mailboxes.
Mboxcl2 » it is same as mboxcl.
The MBOX file format can easily be compatible with the following application:-
text/x-mailbox
It has the following file signature:-Hex Signature: 00 0D BB A0
Default location of mbox file is /User/Library/Mail/Mailboxes/directory, and is also depends on email client.
Apple mail
C:\User/Library/Mail/[account]/INBOX.mbox/Messages/
Mozilla Thunderbird
C:\Users\\AppData\Roaming\Thunderbird\Profiles\
Entourage 2008
C/Users/user_name/Documents/Microsoft User Data/Office2008 Identities/Main Identity
Poco Mail
C:\Documents and Settings\Administrator\Application Data\PocoMail\Mail
Mulberry
C:\Documents and Settings\Administrator\Application Data\Cyrusoft\Mulberry\Mailboxes
Evolution Mail
C:\Documents and Settings\Administrator\.evolution\mail
SeaMonkey
C:\Documents and settings\Administrator\ApplicationData\Mozilla\SeaMonkey\Profiles\nz8lvw59.default\Mail.
Netscape
C:\Documents and settings\Administrator\ApplicationData\Mozilla\Profiles\default\2yv6fh2e.slt\Mail
Opera Mail
C:\Documents and Settings\Administrator\Local Settings\Application Data\Opera\Opera\mail\store\account1