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We have an Exchange Online mailbox that received hundreds of emails that were supposed to be forwarded via an inbox rule to an @gmail.com address. I've setup an inbox rule to handle any new messages but I need to "easily" get the old messages into the Gmail mailbox.

If I export the old messages to a PST the user has the hassle of trying to import this into Gmail using an Outlook client. Is there a way to "redirect" not forward all the old messages to the @gmail.com address? The goal being the preserve the original email headers when the message is forwarded to the @gmail.com. I don't want the message to appear as forwarded.

I've not been able to find a way to do this after a message has been received. I've been looking at ways with PowerShell, EWS, etc. Any solution is acceptable.

BastianW
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Douglas Plumley
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  • "Any solution is acceptable." seems to contradict, "If I export the old messages to a PST the user has the hassle of trying to import this into Gmail using an Outlook client." You already wrote a very good solution into the question and even wrote that you'll accept any solution... but I guess not the solution you already know about? As far as I know, that's the only solution. You can alway have the user authenticate a separate Outlook client to their gmail and then you can do the import instead of them. – Todd Wilcox Feb 26 '16 at 17:18

1 Answers1

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Gmail has the ability to pull messages from an external account over POP3.

In Gmail:

  1. Click the Gear icon
  2. Go to Settings
  3. Click Accounts and Import
  4. Click Add a POP3 mail account you own

  5. Use the following server information

    POP Server: outlook.office365.com

    Port: 995

    Check the box for Always use a secure connection (SSL)

pat o.
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