For conversion your
OST files to PST you can try manual methods name of KDETools OST to PST
converter software. This OST to PST
software deeply scans large PST file into small PST file (1GB to 5GGB). You can
also by using try this tool you can simply migrate OST to Office 365 account along
with you can smoothly import OST file to Gmail and many other format such as
Outlook PST, Live Exchange Server, PST, Zimbra, Gmail, vCard, ICS, OLM, MSG,
EML, EMLX, MBOX, PDF, NSF, and etc.
sbonny
For conversion your OST files to PST you can try manual methods name of KDETools OST to PST converter software. This OST to PST software deeply scans large PST file into small PST file (1GB to 5GGB). You can also by using try this tool you can simply migrate OST to Office 365 account along with you can smoothly import OST file to Gmail and many other format such as Outlook PST, Live Exchange Server, PST, Zimbra, Gmail, vCard, ICS, OLM, MSG, EML, EMLX, MBOX, PDF, NSF, and etc.
More info- OST to PST converter software