Outlook AutoComplete: migrating from Exchange 2007 to Exchange 2013

My 20-user customer is migrating from a single Exchange 2007 server to a single Exchange 2013 server.  Will their Outlook AutoComplete entries automatically transfer to the new server, or do we need to migrate them manually somehow?  A lot of our users rely on the AutoComplete feature in their day-to-day work.  

As I recall, AutoComplete data used to be stored in .NK2 files on the Outlook user's PC, but since Exchange 2010, are stored on the server itself.  Or is this specific to the version of Outlook being used, not the version of Exchange?

When I say "Outlook AutoComplete", this is the feature I am referring to.
AA-in-CAAsked:
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Wayne88Commented:
Just want to confirm that your original Exchange is 2007 not 2010 correct?  The Outlook autocomplete entries are locally stored on the computer.  I am afraid you will have to do it manually.

Import Auto-Complete List from another computer: https://support.office.com/en-US/article/Import-Auto-Complete-List-from-another-computer-3092EE65-BE1B-4D18-B903-4BB84C9932D0
AA-in-CAAuthor Commented:
The article you linked makes it sound like AutoComplete's location is based on the version of Outlook being used, not the version of Exchange.  

Since we're upgrading Exchange but not Outlook, our users will have the same versions they always had (a mix of 2007, 2010, 2013).  The only change will be moving their mailboxes from the old server to the new one.  

That being the case, wouldn't AutoComplete remain untouched?  Again, for any given user, we're not upgrading their Outlook, or even redoing their Outlook profile--we're just moving the mailbox from one Exchange server to another.
Wayne88Commented:
Sorry, I may be wrong.  Are you using Outlook 2010?

"Since Outlook 2010, the AutoComplete cache is being stored within your mailbox itself and is no longer a separate file.

This means that when you are using an Exchange account, you’ll have the same AutoComplete cache on each computer where you are using Outlook or Outlook Web App (OWA) to access your mailbox."

http://www.msoutlook.info/question/backup-and-restore-autocomplete
Alexei KuznetsovMicrosoft Outlook MVPCommented:
It doesn't depend on Exchange version but on Outlook version. Since Outlook 2007 stores autocomplete cache in files on the local disk, you'll need to copy them manually. See MS article on how to do that in Outlook 2007: https://support.office.com/en-us/article/Copy-the-AutoComplete-list-to-another-computer-83558574-20DC-4C94-A531-25A42EC8E8F0
For Outlook 2010/2013 all users will find there autocomplete intact.

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