3 weeks ago
There are many 3rd party applications which can do the convert for you. Example : http://www.ost-to-pst-free.com/
You need to ensure that the PST can be opened in Outlook 2016 after the convert.
2 weeks ago
You want to come back your data well and entire data back, Then you use one substantial and credible converter which recover corrupted OST file to PST quickly and cheaply. you can try to use given bellow software link.