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MBOX Breaker splits your large mailboxes into smaller ones. Apple Mail, for instance, has a 1 GB limit on the size of .mbox files it will let you import, so MBOX Breaker could split your existing mailbox into smaller files that can be successfully imported. If you used a program like O2M to convert your Outlook PC mailbox into a Mac-friendly format, MBOX Breaker can split any oversized .MBOX files in order to maintain compatibility with programs like Apple Mail. MBOX Breaker works with all types of .MBOX files, even those on Unix systems. The trial version will only process 1 MB of your MBOX file. The licensed version more...

What's New

Version 1.1:
  • Added MBOX file repair capability
  • Simplified, code-signed installer
  • Minor bug fixes


  • OS X 10.6 or later
  • Download contains a version for OS X 10.5, Intel64/Intel32/PPC32

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Current Version (1.x)


Downloads 604
Version Downloads 111
Type Internet / Email
License Demo
Date 15 Mar 2015
Platform Intel 64 / OS X / Intel 32
Price $8.95
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