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If you want open OST file in other computer then you need to convert them into PST format. In this regard, You can try most trust-worthy and easy to use OST to PST Converter for error-free and instant conversion of OST to PST files. It is most powerful utility when it comes to convert OST files including emails, contacts, notes, journals, etc. This tool facilitate users by providing filter option to choose desired emails to convert them into PST format. It supports all versions of Windows OS.

Get more details:  https://www.emailsguru.com/ost/pst/