This restricts a person from opening Outlook offline folders, leading to file inaccessibility. Malfunction in the Controller Card: Any kind of malfunction in a card that is used with the Exchange server leads to data loss or corruption.This condition causes damage to the database and hence, OST file becomes orphaned. Abnormal or Sudden Power Failure: Sometimes a situation occurs where suddenly the system power fails in such case OST files get separated with its parent server.Apart from this, you might face an error message that outlook.ost is orphaned or unavailable. Failure in Data Storage Elements: If the hard drive comprises of some defected sectors then, you will only be able to read a part of the file.Majorly, there are 3 causes of this problem.

Hardware Reasons: When the hardware where Exchange database files are stored gets crashed, the OST files get orphaned. For clearly understanding the cause, we can categories reasons in two parts i.e., hardware and software reasons. There are several issues that divide an OST file from its primary server. So, let’s begin! What Makes OST File Orphaned? Before starting with measures for the same, first we will be discussing causes due to which OST gets separated from its parent server. The way to tackle with mentioned condition is to recover data from OST to PST. The above-discussed situation depicts the cause where users demand a solution to convert orphaned OST file to PST. What to do now? Please, someone, help me out in providing a solution to this problem.” I think my file had got orphaned due to this severe crash. Now I am unable to open this file either with Outlook or with any other application. But suddenly, one day my Exchange server got crashed and my OST file was left but, in an inaccessible state. “Since last two years, I am using Outlook and it was working very smoothly without any interruption. Therefore, this blog showcases all the measures to convert orphaned OST file to PST. Summary: Recovering orphaned OST file in PST format can be the requirement of the hour because of the multiple reasons.

How to convert ost to pst for free