Use Microsoft Outlook 2013's Open Outlook Data File feature to open a PST file, which is also known as an Outlook Data File. The PST file is a Microsoft proprietary file format that is used to store data in Outlook — such as your email messages and contacts — that has been downloaded from your email account. By default, a PST file that is created using Microsoft Outlook 2013 is saved in the Outlook Files folder, which is accessible through the Documents folder.
Launch Outlook and open the File menu.
Select Open and Export from the window's left pane and then click Open Outlook Data File to open a new File Explorer window.
Browse to the location of the PST file on your computer, select the file and then click the OK button to open the file in Outlook.
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Double-click the name of the PST file, such as Outlook Data File, in the Folder Pane located at the left-side of the window to display the file's information.