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suggest you this one of superb OST to PST Converter software is very helpful to convert OST file to PST in Outlook 2016 and migrate the bulk of OST data to multiple formats such as PST, MSG, EML, MBOX, EMLX, and Office 365, etc. without harm and losing the data. It easily recovers the damaged OST data files and performs their task very fast for gives 100% satisfied results in every condition. This software assists you to show the preview option for users to check their recovered data before the exporting. The software works well with all MS Outlook versions.

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convert OST file to PST in Outlook 2016