{{tag>outlook email}}
==  Migrate Outlook IMAP accounts to new email server

* close Outlook
* Right-click on Start and then click Run
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* type ''control'' and then click OK, to open Control Panel
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* In control panel, search ''mail'', then click on Mail (Microsoft Outlook xxxx)
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* Click Email Accounts
  * Make sure your account is IMAP type
  * If you have multiple email accounts, some POP3 and some IMAP, make sure we do this operation on IMAP accounts only.
  * Please read this for Migrate Outlook POP3 accounts
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* For IMAP accounts, we must backup existing emails before changing account settings
* Open Outlook, click File > Open & Export
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* Choose "Export to a file" and then click Next
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* Choose "Outlook Data File (.pst)" and then click Next
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* Choose the IMAP account and then click Next
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* In Save exported file as, click Browse, and give a name to your backup file (I name mime as derek-backup.pst)
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  * If you have multiple IMAP accounts, it is important to rename the backup file, so that later export will not overwrite previous ones. 
* Click Finish to start the export
* Do not input any password, just click OK. 
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* After export is finished, we begin to change the server settings.
* Close Outlook
* Go back to the previous Control Panel > Mail settings
* change both Incoming and Outgoing server to h12.hksx.com
* and then click More Settings
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* make sure Outgoing Server is set to > Use the same settings as my incoming mail server (this is same as before)
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* On the Advanced Page
  * set Incoming server (IMAP) port to 993 and SSL/TLS
  * set Outgoing server (SMTP) port to 465 and SSL/TLS
  * If your computer / outlook is older than 10 years, or you are using different product, you may need to try different port.
    * Incoming Port 993 SSL, or Port 143 None SSL
    * Outgoing Port 465 SSL, or Port 587 STARTTLS, or Port 25 None-SSL
    * Click OK and Next
* Outlook will test connection, normally you will see this:
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* If cannot pass this test, you can
  * 1. make sure your password is correct (try login WebMail)
  * 2. try different connect ports/SSL combinations (see above)
* Click Close and Finsih
* Open Outlook again
* After Send/Receive once, you will see all your previous emails disppeared. but don't worry. 
* We have to import the previous backup now.
* Click File > Open & Export > Import/Export
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* choose "Import from another program or file" > Next
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* choose Outlook Data File > Next
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* Browse to the previous backup file > Next
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* Choose Import to the same folder > Finish
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* Wait until import finished
* All your previous emails come back. 
* If you have other computers, laptop, hand phone using the same IMAP account
  * you only need to delete the previous account, and then add a new account with new server settings.
  * all your emails will come back.