VSPL OST file converter software is the best tool to convert OST to PST file. This tool is compatible with all Microsoft outlook and Windows OS version. OST to PST converter by VSPL works on password protected Outlook OST file, encrypted file and large sized OST file. It makes corrupted OST file readable and export OST to PST without any data loss. https://appsource.microsoft.com/en-us/product/web-apps/83841710.vspl-ost-to-pst-converter