We have a business that uses Office365 and we want to be able to save all the emails locally. I found a thread on Office365 community pertaining to this and basically it was stated that there is no direct way of accomplishing this. I am curious if anyone has considered this and if there is a good method for storing these emails locally, even if it's some nifty PowerShell programming. All I've come up with is having a master mailbox which can view all mailboxes, and just have it sync and archive locally to the computer. I have not tried this yet, as the storage file sounds like it will be huge, so this does not seem like a fantastic idea and I'm open to any suggestions!

  • I can't help, but to be clear, what's your goal here? Is it for archival purposes, or for users to access?
    – Dan
    Nov 12 '12 at 15:43
  • Sorry, that's a good point. It's simply for local archiving and the occasional need to step back in time and look up an old email from the administrative point of view.
    – scape
    Nov 12 '12 at 15:49

This is a great question. We ran into a problem with O365 many months ago where the AD sync tool caused all of our mailboxes to be deleted. It took close to a week for MSFT to restore all of the mailboxes for us. Either way they recommend having off-site backups as they are ultimately not responsible for data loss if it happens, other than what is in the SLA.

We worked with MessageOps as they have a tool for downloading mailboxes administratively that works pretty well. It's free if you list them as your partner of record in O365.

  • Awesome, regardless they have a bunch of cool little utilities and they do offer consulting if you have a need for it. Nov 12 '12 at 16:33
  • Just as an update, I have tried this software and simply cannot get it to work-- I found it very error prone and rather disappointing. I really wanted it to work :-\
    – scape
    Jan 9 '13 at 19:30

Please check this link, it is the export tool within O365


  • Whilst this may theoretically answer the question, it would be preferable to include the essential parts of the answer here, and provide the link for reference.
    – masegaloeh
    Nov 5 '14 at 3:31

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