Microsoft Outlook are well aware about OST file and PST file. Sometimes OST files can become inaccessible due to corruption, profile deletion, Exchange server issues, or system migration. Since Outlook cannot directly import an OST file, the safest way to restore emails, contacts, calendars, and other mailbox items is to convert OST to PST. That's why, here I have mentioned best and reliable method to convert OST file to PST file in Outlook using...