Convert Large Outlook OST to PST

Microsoft Outlook email client is fair enough to send/receive, access and store data effectively. One of its amazing features that allow user to access data even in offline mode is offered by Offline Storage Table (OST) file and Outlook is smartly synchronizes this offline folder file contents when Exchange Server gets into connection. However, OST file has some limitations which interrupt workflow of Microsoft Office Outlook application.

Similar to Outlook PST file, even OST file has fixed file size limit. If OST file is large in file size, then you may observe various unexpected behaviors with Outlook. Large file size might become one of problem while synchronizing OST file to PST, which may get corrupt due to interruptions like sudden system shutdown, abnormal termination of Outlook software or low internet connection while synchronizing large offline data file in MS Outlook. Even, Microsoft Exchange Server crash, malicious virus attacks, improper up-gradation of Outlook tool and other factors can corrupt large OST file.

Other than these issues, when Outlook OST file size grows behind its boundary, then it will get corrupt. Even a slight corruption can make large Outlook OST file inaccessible. Converting large Outlook OST file to PST is the only way in order to reaccess mailbox items, contacts and other element on Outlook. So, make use of accurate OST file converter software to turn large unreadable OST file to PST on Windows system.

Large OST to PST converter utility:

Yodot OST to PST Converter software is ideal solution for this kind of problems with Outlook OST file, this program has designed to fix all issues while synchronizing large OST file in MS Outlook. It includes advanced algorithms that let you convert large corrupted OST into a healthy PST file. After OST file is converted into PST file format, you can regain emails, attachments, contacts, notes, journals, tasks and many more Outlook entries. Using this tool, you can even convert outdated Outlook OST file, orphaned OST file and broken/damaged offline folders file to PST in Outlook 2000, 2002, 2003, 2007 and 2010 versions. Furthermore, this application supports OST to PST file conversion Windows Vista, XP, 8.1, 8, 7, 2003 and 2008 operating systems.

Steps to convert large OST file to PST:

  • Download Yodot OST to PST Converter application and install it to Windows system
  • Run the software and proceed with OST file conversion process
  • First screen displays two options which are "Open OST File” and “Find OST File”
  • Select "Open OST File" option, if you know exact location of large OST file or choose "Find OST File" to search Outlook OST file
  • Afterwards, this application allows you to browse for destination location to save the converted OST file as PST
  • Then click on “Convert” button to begin conversion process
  • On completion of conversion procedure, you will get notification message like “OST file conversion completed”


  • Close Microsoft Office Outlook application before going for OST to PST conversion process
  • Erase unwanted data from Outlook to avoid oversizing issue with its OST file
  • Try to avoid interruptions while synchronizing OST file data in MS Outlook