I'm looking for a free or open source software able to convert Gmail MBOX email archives to Outlook PST archives.
It can be a Windows 10 or MacOS X software, I'm also open to x86/x64 Linux command line tools.

Thank you.


2 Answers 2


There is a free Convert MBOX to PST utility available for Windows and Outlook. Please note that I'm one of the developers of this tool.

  • Interesting tool, easy to use.
    – Chris
    May 21, 2018 at 15:50

Follow these steps to convert Gmail MBOX to Outlook:

  1. Create a Gmail for connecting to Outlook
  2. Add your Gmail account to Outlook
  3. Copy and paste your Gmail messages to your desktop
  4. Copy your Gmail to your Office 365 mailbox
  5. Remove your Gmail account from Outlook

Visit this MS link for more information: Import Gmail to Outlook

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