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If the person that exported the data is using Offline Mode, they need to make sure that the Account settings are set to keep all mail offline and not only the last 12 months<br />
<br />
File menu -&gt; Account Settings -&gt; Account Settings<br />
Select the email account -&gt; click Change<br />
Under Offline Settings, move the slider to 'All'<br />
<br />
Might have to do this on the Imported account as well
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Hi,<br />
<br />
I am agree alanccw and John Hurst may be PST file got corrupted. In this situation you need to use Inbox Repair tool, which free provided by Microsoft. Please navigate this article <b><a href="http://www.msoutlookware.com/free-utility/scan-pst.html" rel="ugc">http://www.msoutlookware.com/free-utility/scan-pst.html</a></b> In this article you will get the step by step info about how to run scanpst.exe and repair MS Outlook PST file. I hope it will be helpful for you
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@mirekg - You are very welcome and I was happy to help.
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One person exported email folder (Outlook 2013 client). That folder prior the export had 284 records ….When we imported that file (pst) to another Outlook client we were getting less than 100 records. Am I missing something...??? Some kind of global features...??? What I noticed that I’m missing records from 2014 and part of 2015 year.Right before export I saw records &nbsp;from 2014…???
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One person exported email folder (Outlook 2013 client). That folder prior the export had 284 records ….When we imported that file (pst) to another Outlook client we were getting less than 100 records. Am I missing something...??? Some kind of global features...??? What I noticed that I’m missing records from 2014 and part of 2015 year.Right before export I saw records  from 2014…???

Outlook 2013

Microsoft Outlook is a personal information manager from Microsoft, available as a part of the Microsoft Office suite. Although often used mainly as an email application, it also includes a calendar, task manager, contact manager, note-taker, journal, and web browser.

Outlook

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.