Try SysInspire OST to PST converter software, to recover deleted OST files. It has many features such as it can convert OST files in multiple file formats such as OST  to PST, HTML, Office 365, EML, EMLX, etc. it has a feature of Email filtration users can convert their mails by using specific dates. It can convert OST file in 10+ file formats for conversion. It has a demo version that can help users to convert 25 OST files from each folder. It can run on any Windows OS version. Even it supports all versions of Outlook. It has technical support and all users can get help by mail or live chat. It can show the preview of an OST file.

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