If your OST file is inaccessible for any reason, ToolsBaer provides an opportunity for a simple conversion from your OST to MHTML to preserve the data that was in your OST file even when it cannot be opened in Outlook. Using the ToolsBaer OST to MHTML Conversion tool you will have an easy way to retrieve any data that was in the OST file using the MHTML document format to maintain the structural layout of the original message so that it can be viewed from any Web browser. The OST to MHTML Conversion tool works with all current versions of Windows and MS Outlook and provides a demo to all users for the easiest way to become familiar with the product.