If you want to recreate OST file in Outlook 2016, so here I suggest you get SysInspire OST to PST converter software. This tool can convert multiple files at the same time, it has bulk conversion users can convert OST files in bulk at the same time. It has a demo version that can allow users to convert 25 items from each folders. It has technical support all users can get help by email or live chat. It can preview OST file before conversion. It supports all version of Windows OS.