To repair damage OST File you can download OST 2016 to PST Software which recover OST File from every supported versions-50/5.5/2000/2003/2007/2010/2013 and 2016. With the help of OST 2016 to PST Conversion Software you can get the simple process to convert 2016 Outlook OST to PST File with full attachments- zip attachments, embedded images, and email properties and also it reduce the size of PST File upto 5GB