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Thank you and I trust all is working now.
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I upgraded 2 users from Outlook 2010 to Outlook 2016.<br />
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They can search their Inbox and other Exchange folders without a problem, but when they try and search for an item in their PST file, it always returns blank search results.<br />
<br />
How do I make their PST searchable again in Outlook 2016?
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I upgraded 2 users from Outlook 2010 to Outlook 2016.

They can search their Inbox and other Exchange folders without a problem, but when they try and search for an item in their PST file, it always returns blank search results.

How do I make their PST searchable again in Outlook 2016?

Outlook 2016, PST not searchable

Microsoft Office is an integrated suite of applications that includes Outlook, Word, Excel, Access, PowerPoint, Visio and InfoPath, along with a number of tools to assist in making the individual components work together. Coding within and between the projects is done in Visual Basic for Applications, known as VBA.

Microsoft Office

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.

Exchange

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.