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OST to PST Conversion

Accessing email data from corrupt, damaged or inaccessible Exchange OST files is not a big issue anymore. OST to PST conversion software makes accessing OST files a much easier task for Exchange administrators. The software effectively repairs damaged OST files, restores all the recovered email data in PST files that can be easily accessed with MS Outlook email client. All the email data of OST files including emails, contacts, calendars, notes, tasks, drafts, posts, sent Items, journals, attachments, task requests, appointments, meeting requests, distribution lists, etc. After accurate email data recovery can be made accessible with MS Outlook.


Exchange OST files may get corrupt, damaged or inaccessible due to a number of unseen reasons such as corrupt Exchange Server, database corruption, accidental deletion of user’s account on Exchange Server, Server crash, networking issues, large mailbox size, Exchange Server downtime, virus attacks, etc. Embedded with advanced and powerful algorithms, OST to PST conversion software scans damaged OST files and recovers email messages and other data items with complete accuracy.

While recovering email data from damaged OST files, OST to PST conversion tool thoroughly scans orphan OST files, recovers entire email data, displays its preview and then allows saving recovered email data in PST, MSG or EML file formats. Despite that, you can save the recovered email files in various file formats like MHTML, MBOX, TXT, DBX, PDF, RTF, HTML, or IMAP. The offered easy-to-use, highly interactive, self-descriptive, user-friendly graphical user interface of Convert OST to PST software makes the PST recovery operation a much easier task even for novice users. Because of this, recovering emails from damaged OST files using OST to PST convertor does not require any specific technical expertise or skills.

Error Messages generated while accessing corrupt OST files:
  • "Cannot open your default email folders. The file xxx.ost is not an offline folder file."
  • "Unable to expand the folder. The set of folders could not be opened. Errors could have been detected in the file xxx.ost. Quit all mail-enabled applications, and then use the Inbox Repair Tool."
  • “Microsoft Outlook has encountered a problem and needs to close. We are sorry for the inconvenience.”
  • “Task 'Microsoft Exchange Server - Sending' reported error (0x8004060C): 'The message store has reached its maximum size. To reduce the amount of data in this message store, select some items that you no longer need, and permanently delete them.”
  • Task ‘EMAIL ADDRESS’ - Sending and Receiving' reported error (0x8004060C): 'Unknown Error 0x8004060C'
  • “Task 'Microsoft Exchange Server - Receiving' reported error (0x8004060C): 'Unknown Error 0x8004060C'”
Salient Features of the Software:
  • Effectively resolves all the corruption issues of Exchange OST files.
  • Accurately recovers email properties (To, From, Subject, CC, BCC, Date and Time).
  • Conversion from OST to PST file format does not require original Outlook profile.
  • It allows restoration of emails in Plain Text, RTF and HTML formats.
  • Facilitates Find Message option letting users search and find emails as per their requirement.
  • Offers Save Snapshot and Load Snapshot features to save a snapshot of repaired OST file that can be later loaded using Load Snapshot option.
  • It helps user in overcoming the limitation of OST file size for converting it into PST file.
  • It displays File Analysis Reports that presents the information like Interaction between users, Total item types, Mail flow density by senders, and Mail flow density by date.
  • It facilitates saving of email items just by selecting a date from a date range.
  • Allows saving recovered email items in PDF, PST, DBX, EML, HTML, IMAP, TXT, RTF, MHTML, MSG, and MBOX file formats.
  • Converts even password-protected OST files to PST files. It supports both compressed and highly encrypted files.
  • Integrated with advanced migration options that enable the transfer of recovered emails to various email servers and Web email clients like GroupWise, Office 365, IBM Domino, Exchange Server, and AOL, Gmail, Yahoo, iCloud, Outlook, Live Mail, and Google Apps, respectively.
  • Displays preview of entire recovered email data letting users check the accuracy of OST file recovery.
  • Supports all the versions of MS Outlook, Outlook Express, MS Exchange Server and Microsoft Windows OS platforms, including the latest MS Outlook 2016, MS Exchange Server 2016, and Windows 8, 8.1, 10 Operating System.
Versions Supported:

MS Exchange Server: MS Exchange Server 5.0, 5.5, 2000, 2003, 2007, 2010, 2013, 2016

MS Outlook: MS Outlook 2016, 2013, 2010, 2007, 2003, 2002, 2000, 98 and 97

MS Outlook Express: MS Outlook Express 6.0, 5.5, 5.0, 4.0

Give it a Try Before you Buy!

OST to PST converter is available as a free demo version to let users evaluate its features, functionalities and capabilities before making a decision to purchase its full licensed version. The fully functional demo version will let you understand how actually the software performs the Exchange OST file recovery. Its saving ability is limited to 25 items per folder. The unlimited saving features are restricted in the demo version. To overcome this limitation, user must purchase full version of the software.

Software Features
  • Quick and reliable conversion of inaccessible OST file to PST file
  • Complete recovery of all offline email data, mail messages, calendar, folders, drafts, posts, tasks, contacts, appointments, journals, attachments, and images, text formatting and other email properties such as Subject, To, From, CC, BCC and date.
  • Recovery of permanently deleted emails
  • Restores original formatting structure, and properties of emails
  • Recovers highly encrypted password-protected OST files
  • Recovers emails in Plain Text, RTF and HTML format.
  • Configured with a facility to generate the File Analysis Reports depicting the parameters like mail flow density by date, mail flow density by senders, total item types, and interaction between users.
  • Provision of saving recovered emails in PST, EML, DBX and MSG file format easily accessible by MS Outlook and Outlook Express.
  • Incorporated with additional save options like email servers, MBOX, IMAP, MHTML, PDF, and Web mails.
  • Offers facility to store the recovered mails on the Web email clients like Yahoo, AOL, Gmail, Google Apps, Hotmail, Live Mail, Outlook, and iCloud.
  • Enhanced with a special save option, which enables the transfer of recovered email items on popular email servers like IBM Domino, MS Exchange Server, Novell GroupWise, and Office 365.
  • User can find particular Email items.
  • Users can save Email items by selecting date from date range.
  • Supports Microsoft Exchange 5.0, 5.5, 2000, 2003, 2007, 2010, 2013 and 2016, MS Outlook 97, 2000, 2002, 2003, 2007, 2010, 2013 and 2016, MS Outlook Express 6.0/5.5/5.0/4.0 .
  • More interactive, user-friendly interface.
  • Available demo version for free download
  • 30-day money back guarantee
  • Round-the-clock technical support.
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