Outlook data file location in Windows 10

Your Outlook data, email messages, calendars and other items will be saved on both your mail server and local computer. The local copy of Outlook data are saved in .pst and .ost files. The PST file is known as the Outlook Data File, it is used for POP3, IMAP and web based mail accounts. Thus most accounts configured in Outlook will generate the .pst file.  When you use a Microsoft Exchange Server account in Outlook, the Cached Exchange Mode will be activated by default and Outlook will save a local copy of your items on local computer in an Outlook data file, known as the offline Outlook Data File (.ost). Since the Outlook data files, PST and OST, are usually saved in different locations on PC, many users may have trouble locating them. Where are the Outlook PST and OST files located on Windows computers? In this article, we will show you how to find out the location or folder of the Outlook data files in Windows 10.

Access Outlook data files in Windows 10

Run Outlook on your Windows 10 PC, switch to the File tab from the top left corner of Outlook, then the Account Information screen opens on the right. Click Account Settings >> Account Settings, you will see a new pop-up dialogue shows up. Switch to the Data Files tab in the Account Settings, the file locations of both the Outlook data file and Offline Outlook data file will be listed, see below screenshot.

outlook account settings data files pst ost

You can find the Outlook data files according to the file location using the File Explorer in Windows 10. Note that the offline Outlook data file .OST is saved in a hidden folder, thus you need to enable the display of hidden files in Windows 10 first. The quickest way is to click to select the PST or OST file in the Account Settings dialogue, then hit the Open File Location button to open the selected .pst or .ost file in File Explorer.

Change Outlook data file location in Windows 10

To change the location of Outlook Data File (.pst) in Microsoft Outlook, in the Outlook Account Settings screen, click to select the Outlook Data File, then click Settings button, you will see the Outlook Data File opens in a new window. Here you can rename Outlook Data File, change Outlook data file location and so on. You cannot change the location of the offline Outlook Data File (.ost) in Microsoft Outlook