Don't panic if you have lost your OST data and want to convert OST to PST without Outlook then use this Enstella OST to PST Recovery Software for every user are used this tool without any problem. This software has Microsoft Outlook versions 2019, 2010, 2007, 2003, 2016, and 2000. Enstella software provides 24X7 online technical support by the chart for every user. You can first use this free demo version and convert 25 items of every folder and subfolder.
View More - Convert OST to PST without Outlook
View More - Convert OST to PST without Outlook