OST is the Offline storage file in MS exchange server. The OST files are created only when client Outlook works offline with the Server or in the cache enabled mode. OST files are not portable, it can only be accessed in the Outlook profile which is synchronized with the Server. OST files are the exact replica of the mailboxes that resides in the server end. OST holds all the emails, calendars, tasks, journals, etc from the mailbox. There come certain situations where user cannot read OST File with Outlook. Let’s see some of the situations where OST becomes inaccessible to the Outlook users.
Certain Scenarios Where OST Files Are Inaccessible-
Account Deletion: This can be one of the reasons where user is unable to access the OST from Client OST. The account deletion can happen accidently from the Administrator part or an intentional account deletion by any intruder can also be the cause. This make the OST file inaccessible to the users. OST can be accessed only if the corresponding mailbox exists in the Exchange Server.
Corruption in OST: OST file can get corrupted due to certain activities like virus attack, abnormal shutdown of the system, synchronization error, etc. This destroys the integrity of the OST files. If the integrity of any file format is altered that means it is corrupted. The ultimate result is the inaccessibility of the OST emails, calendars, tasks, etc. to the users.
Orphaned OST: The OST file that does not possess the corresponding mailbox at the server end is called an orphan. Mailbox deletion from Exchange server does not corrupt the OST rather it make the file inaccessible. The Orphaned OST is useless as far as an Outlook user is concerned. Outlook prompts certain error message while user tries to access the files.
How to Restore Inaccessible OST files?
There exist manual methods to repair and restore the corrupted or inaccessible OST file from Outlook. Microsoft provides inbuilt utility to check the integrity of the OST files. Scanost.exe utility is capable to repair corrupted OST file to an extent. But this free utility is has certain limitations. This cannot fix broken OST file beyond certain limit. It does not work if is Outlook not synchronized with Exchange server. Moreover, the scanost.exe utility is removed from the latest version of Outlook i.e. from Outlook 2016, 2013 and 2010.
The alternative solution is to recreate the OST from the mailbox that exists at the server. This is acceptable only if the mailbox exists at the server end in healthy state. So, this cannot be solution in case of the orphaned OST files or for the account deleted OST files.
The manual methods to repair and restore corrupted or inaccessible OST files does not meets the need of the users in all conditions. So always opt for a trust worthy smart solution. Use MS outlook OST to PST converter utility to repair and recover OST files. The tool is capable of recovering corrupted, inaccessible and orphaned OST files. This OST recovery tool scans corrupt OST files and capable to fix broken OST files. Repair and Read OST File Via Promising OST to PST Converter Utility
Summary: This article deals with certain situations where MS Outlook OST file becomes inaccessible or corrupt and suggests a simple solution MS Outlook OST to PST Converter Utility to repair the corrupt OST.
Author Bio: We are the leading innovators in finding of technical solutions to data corruption. Our software solution includes data repair and recovery also the file conversion process too. MS outlook OST to PST Converter is one of the valuable tools, which is enables users to repair and read OST file without Outlook.
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