Information about the .mbx (mbx) file type

This is one of three possibilities that we have on file for the .mbx file extension, follow this link to view all three possibilities.

Below is all the information we have available on file about the .mbx (mbx) file type.

Outlook Express Mailbox file.

Earlier versions (v1-4) of Outlook Express used a .mbx file as the mailbox file, the file used to store emails in the inbox. Later versions of Outlook Express switched to using .dbx files.

Fore more information see:

Where this is available we would like to include file format information on .mbx files, as well as information on how to view or open files of type .mbx. If you know of any information which we have missed then please let us know.