If your Exchange Server get damage and you can't able to access your OST file, then you can easily use advance OST to Outlook conversion software which is reliable tool to perform OST to Outlook PST conversion in bulk. This OST to Outlook converter software can easily recover and attach OST file to Outlook with any data alteration. This OST to Outlook conversion software supports almost entire Outlook versions 2000, 2002, 2003, 2007 and 2010, so you can easily attach PST file to any Outlook versions. Get free demo tool to attach first corrupt OST file to Outlook. To perform OST to Outlook PST conversion in bulk you need to purchase full version of software. Here full version is available at $99 only.