SysTools Mailbox Exchange Desktop- is OST File Recovery Software designed to convert the unusable Microsoft Exchange Offline Storage Files (.OST) file to a Personal Storage File (.PST) file that can be used with Microsoft Outlook. It recovers all components including emails, contacts, notes, and tasks. An OST file is a replica of your Exchange mailbox that is locally stored on your hard drive. The OST file helps you to speed up work on your Exchange mailbox while you are logged on to the server. The OST file is a component of your exchange server account and is not usable with MS Outlook mail client. In the event of an email server crash or when a mailbox account is deleted at the server, Offline Storage Files (.OST) remains on user computer. OST File Recovery Tool recovers folders, messages (including those with file attachments) and all embedded information to a usable .PST file. This Exchange OST File Recovery software is a must have for system administrators and systems maintenance companies. It is easy to use OST Fix/ Restore Tool and does not require any technical skills. SysTools Mailbox- OST File Conversion Software recovers the following email items Email with attachment, Appointment, Contact, Note, Draft, Calendar Key Features -& gt; Recovers email, folders, calendars, contacts, tasks, notes -& gt; Repairs even the password protected files -& gt; Restores formatting from RTF and HTML messages -& gt; Recovers from encrypted files -& gt; Recovers deleted email attachments. -> Recovered messages may be saved in the .pst file format on any (including network) disk visible by the host operating system Microsoft Outlook Versions Supported Microsoft Outlook 98, Outlook 2000 and Outlook 2002. Try the DEMO version Convert OST to PST software FREE of cost, after revelation if you feel satisfied then, you can Purchase to full version of SysTools OST Recovery tool for Personal License only at $99 and for the Business License only at $199.