The .mbox file extension is used for an email-related file type that was developed as an email mailbox container. These MBOX files can normally be found in older versions of Linux, various Unix platforms and Mac OS X. Saved emails are stored in these .mbox files.Apple Mail can be used to export these MBOX files. This is an email application that was created by Apple, Inc. Other email programs for older versions of Linux and various Unix systems can also be used to export and open the content of these .mbox files. In more recent versions of Mac OS X and Apple Mail, this .mbox file format has already been replaced with newer file formats like the .emxl mailbox file type.It's recommended to use an email program with support for these .mbox files when trying to access the content of these mailbox files. The data stored in these MBOX files may be encrypted, which means these .mbox files should first be exported to a compatible email program before users can access its content.
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