OST files are replica of Exchange mailbox data on local computer of user; this means users can access Exchange server data in MS Outlook in OST format by configuring Outlook with Exchange server. This OST file provides them opportunity to work in cached mode when Exchange server suffers downtime issues or secure internet connectivity is not available. The most beneficial part of using Outlook storage table file (OST) is accessibility to Exchange mailbox data even if you are not connected to Exchange server. As soon as internet connectivity is retrieved, OST file gets automatically gets synchronized with Exchange server. But sometimes during interruptions in sync process leads to corruption in OST file leaving users in situations to hire free OST to PST converter tool to view unreadable OST emails.
What Causes Corruption In OST Files?
But before going in deep it is necessary to know the reasons and signs of corruptions in OST file so that data loss situations can be avoided. The first sign that appears before users stating corruption in OST file is error messages. When they try to access OST files error messages like as shown below appear on screen of users.
Reasons
Basically it is MAPI error and usually appears in situations when downloading Offline Address Book (OAB) files, during sync of OAB, while send/receive and corruption in OST file. This message is also a result of process when new account in Exchange server is created or organization that runs Exchange owns an OAB generator server.
Users are failed to sync their data with Exchange server and are not able to perform send/receive operation when particular error is received. Therefore, it becomes necessary for users to solve this issue so that OST file data can be retrieved.
Fixes To Resolve The Issue
- To fix this error user can view the properties of address list, go through the settings of Exchange server and confirm the validity of Address Book. If address book list is not valid then users must create new list and thereafter only validity of OAB can be confirmed.
- This error message is also a result of Sync if Outlook is using proxy settings and internet explorer is utilized. In this context, listing Internet protocol address of Exchange server in exclusion list will help to resolve the issue.
If none of the above help to resolve the issue then hiring third party tool like OST Recovery would be beneficial. Integrated with unique set of features, these tools help to extract all OST file data and help users to convert OST to PST so that data can be imported in Outlook client.
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