Virus/malware attacks, hardware issues, etc can damage OST files.

Outlook OST file Corruption: If OST file becomes corrupted, its data can be accessed only by being transferred to PST.

This section will cover their curiosity by sketching the reasons. Some users may wonder about the reasons for an offline file (.ost) to a personal file (.pst) migration. Situations When OST to PST Conversion become Imperative

In this write-up, we will focus on various ways to export OST files to PST.Ĭontinue reading to learn more about Outlook OST to PST conversions. As a result, they face an awkward situation when they have to migrate their OST files to PST format. Many Outlook users do not know how to convert an offline file (.ost) to a personal file (.pst). In this case, everything is stored (and remains accessible) in the Personal Storage File when offline. An example of when an OST file is used is when Outlook is connected to a Microsoft Exchange Server, or any other email server via IMAP (Internet Message Access Protocol).Īnother way Outlook data is stored is in a PST file. OST or 'Offline Storage Table' stores all of the works that were done while Outlook was online, with a local 'offline storage table' created for when it is offline, thus saving having to download the data all over again when going back online. Though both of these formats are used to save Outlook data, there is a difference between the two. Most Outlook users would have heard the terms 'OST' and 'PST' at one time or another.

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