Today my friends suggested to me how to reduce OST file size in Outlook through eSoftTools OST to PST Converter Software. This software quickly converts the OST files which were created from the Exchange Server, IMAP, Office 365, and Outlook.com. This software converts corrupted OST files into PST, EML, EMLX, MSG, MBOX, HTML, vCard, and Office 365. After the conversion, you split large PST files into small PST files without any data loss and also provide technical support 24/7.
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if you want to any ost to pst converter open source software try stella ost to pst converter open source software to convert all ost mailbox items in to pst file this software is convert all corrupted and unmounted ost mailbox items in to office 365 account this software is convert all ost mailbox items using some simple steps. This software is convert all ost mailbox 32bit and 64bit this software is convert all data using some simple steps. For more info visit this link https://www.stelladatarecovery.com/ost-to-pst-converter.html