Microsoft Outlook and Microsoft Exchange Server are two most important components to create a messaging and collaborative environment. In order to improve their performance, you can use Outlook in Cached Exchange Mode. In this mode, Outlook performs most of the email related operations from local hard drive, decreasing the amount of request to server for data and thus improve performance of the items stores in OST file (local copy of user mailbox on server). Even in Cached Exchange Made, to download new mails, you need to connect with Exchange Server. But in some cases, when you attempt to connect with Exchange Server, synchronization could not complete and thus the OST file could not be converted into PST. In such cases, you access user mailbox through Outlook, you need to manually Convert OST to PST using third party applications.

With the Cached Exchange Mode, the local copy of user mailbox is synchronized with Exchange Server database upon log on to Outlook account and automatically converted into PST file after username and password verification. But in some situations, when you attempt to synchronize the OST file with Microsoft Exchange Server database, the process may not complete successfully and you come across the below given error message:

"Error synchronizing folder [8004011B-3EE-8004011B-560]

Unknown Error.

Such situations render your user mailbox inaccessible. Here you need to find out the cause of this problem and Convert OST File by sorting out this issue.

Cause

You might come across this problem if there is some issues with the Exchange Server user profile or Mailbox. The issue could be corruption or inconsistencies in the problem or mailbox. In such cases, you need to recreate the user profile on Exchange Server.

But even after recreating the user profile and mailbox, you would not be able to access the OST file as it is required to be converted into PST. This is potential through powerful and advanced third party OST Repair Tool.

These applications use high-end conversion algorithms to effectively and quickly convert all of the OST file objects into PST. After you Convert OST to PST, the resulted PST file can directly be linked to the Exchange server profile or user mailbox. You can also import the PST file into Microsoft Outlook.

Stellar Phoenix Mailbox Exchange Desktop is the best ever made and the most advanced tool to convert unusable OST files into usable PST file. This software converts OST file of Microsoft Outlook 2003, 2002, 2000, 98 and 97. This software is compatible with Microsoft Windows 2003, XP, 2000, NT4 (SP6), ME and 98SE.