If your OST file is damaged and Outlook is not responding anymore, the simplest and fastest way to retrieve your emails is to convert your OST file into HTML format. DataVare OST to HTML Converter Expert allows you to open inaccessible or corrupted OST files without access to an Outlook application and quickly export all mailbox items into clean HTML pages that can be read and displayed in a web browser. You can view all of your emails with the formatting and attachments info as well as the original folder structure maintained, even if Outlook will not load your OST file. It is a great method to recover your data and have access to your OST contents right away.