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Here’s some ways to begin fixing the problem: Installed plugins sometimes may damage Outlook performance, thus causing damage to the OST file.Any changes in the internal structures of the OST file.Failure of any networking device that might disrupt the synchronizing process of the OST file.Creation of some bad sectors in the hard drive where the OST file is stored.Some internal discrepancies in Outlook causing abnormal Outlook termination.Disruption in the file synchronization process due to sudden or abnormal shutdown failure.Deletion of any file or folder removed from Exchange folder.These files can become corrupted because of various reasons. It is actually a synchronized copied element of the accounts saved on your device that enables you to continue to use Outlook even when the program gets disconnected from MS Exchange Server. OST files are the files that allow users to use Outlook while they are offline. It generally happens because of a corrupted OST file or the execution of Outlook in compatibility mode. But there’s the flip side: User forums are filled with anger over errors that seem to have zero solutions. For this article, we will examine and hopefully resolve perhaps the most common Outlook error: “cannot open your default email folders.” This Outlook error mostly appears when you are trying to open your Outlook profile.
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Yes, Outlook offers an extensive and exclusive range of features as well as its friendly user experience. Microsoft Outlook may be the most widely used email service around the globe, but users have come to accept the good with the very bad.