Unluckily, Microsoft doesn't provide any built-in feature for converting an .ost file into PST format. As one has no other option, a 3rd party OST 2 PST Converter is a ideal solution for this.Now, the important question here is why does one need to convert OST to PST file format in order to deal with corruption. Well, there are several reasons and circumstances that may need you to do so. For example, at times when you do not have access to the mailbox or especially in case of accidental deletion of user mailbox, the OST file becomes completely unusable. By converting the OST files to PST file format, you will get back the access to the inaccessible files and will be able to get back the lost data.

Use the free trial version to see the preview of recovered mailbox.

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