Opening an OST (Offline Storage Table) file in Outlook can be tricky if the associated email account is no longer available. However, with eSoftTools OST to PST Converter Software, you can easily convert the OST file to PST format, making it accessible in Outlook. The software allows you to convert encrypted, damaged, or orphaned OST files into a readable PST file. Simply install the software, select your OST file, choose the PST format, and start the conversion. Once converted, you can open the PST file in Outlook by going to File > Open & Export > Open Outlook Data File. This method ensures that all your emails, contacts, and calendar data are restored without any loss.

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