You may recover OST files in Outlook 2019 and convert OST to PST files with SysInspire OST to PST converter Software. This software is the most effective approach to convert an OST file to a PST file without losing any data and with excellent results. Before the conversion, the user is given a smart preview to confirm that the format is correct. It can convert OST files to Office 365, Gmail, Zimbra, Yahoo, ICS, MSG, MBOX, CSV, EML, and other formats rapidly. It works with all MS Outlook versions.
Read More:- Free OST to PST Converter
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OST file used when user contact exchange server for email some times there are so many resign to corrupted exchange server and ost file is not used for user to view email dux data recovery ost to pst converter software on the best software to convert ost file data in to a pst file dux data recovery support all the version of the ost file. for more info https://www.duxdatarecovery.com/ost-to-pst-recovery.php