OST file reader is an independent utility that can be downloaded for free to view the contents of OST files. The tool is devised specially for users who wish to view the contents of an OST file in the absence of Exchange Server. Since an orphan OST file is inaccessible hence a user might face issues in accessing the contents of the OST file. This issue is easily resolved by OST file reader software.
Just install this software, select the orphan OST file, scan it and the tool will display the contents in the similar tree-like structure as it was saved. You can simply select the folder and view the contents. The tool supports viewing the OST files created using the following versions MS Outlook, such as MS Outlook 97, Outlook 2000, Outlook XP, Outlook 2003, Outlook 2007, Outlook 2010, Outlook 2013 and 2016, MS Outlook Express 4.0 and above, and MS Exchange Server 5.0, 5.5, 2000, 2003, 2007, 2010, 2013 and 2016.