Export Outlook 2010 to Outlook 2016 on a new computer

Moving Outlook 2010 from one computer on Win 10 Pro to a new Win 10 Pro computer with Outlook 2016. Would like to have a work flow on how is the best method of either moving the backup pst file to the new computer then linking or export a pst file in Outlook 2010 and import into Outlook 2016. I have had issues in the past with mail getting duplicated when importing pst.

Should we first establish the account in Outlook 2016 and import pst or just use link to the backup pst.
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Cliff GaliherCommented:
What is Outlook connecting to on the back end?
deanindAuthor Commented:
We are storing current emails on web based server about 1,600 (several months). This is just in case there is an issue with loss of current emails. Outlook has current and archive emails.
Scott CSenior EngineerCommented:
If you log into the web based server with the web client, do you see all of the emails?

If so, all you probably need to do is configure the new profile on Outlook 2016.

And if the emails aren't there, then you can import the .PST from the old computer.
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Cliff GaliherCommented:
Depending on the protocol being used, it'd change your workflow.

Ideally you'd be using a native exchange back end, or IMAP In which case you need to nothing for active mail. Archive PSTs can be moved freely.

If POP3 then it depends on if mail is deleted from the server when pulled. If not you have to export  but duplicates are unavoidable really. If so then you shouldn't get duplicates.

If you are mixing multiple protocols then the behavior is going to not be predictable.
deanindAuthor Commented:
Thanks for the response. I was able to archive off all old emails on the POP backend leaving only the current emails. Which method is best for the pst file - (1) link to a backup file from the old computer or (2) export a pst file from the old computer and import.
Scott CSenior EngineerCommented:
I'd export from the old computer to a new .PST and then import on the new machine.
deanindAuthor Commented:
Thank You, I think we got it planned. Will work on this today.
Sandeep KumarAssociate ConsultantCommented:
Hello Deanind,

You can do export PST file from Outlook 2010 to Outlook 2016 manually, just following the simple steps given at https://www.nucleustechnologies.com/blog/import-outlook-2010-pst-data-in-outlook-2016/ Have a look and give it a try.

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deanindAuthor Commented:
Got a problem, tried to export two times, went to 'not responding'. We do have a full 'backup.pst' file, can this be imported and not use export? The size of 'backup.pst' is about 37 GB.
Scott CSenior EngineerCommented:
Yes, assuming there is no corruption in that 37 GB PST you can simply import that one.

Make a copy first though.
deanindAuthor Commented:
Thank You
deanindAuthor Commented:
Successfully migrated the pst the new computer, Thank You all for your comments, you were right on.
Scott CSenior EngineerCommented:
Glad we could help.  Please award points.
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