Firewalls and antivirus software might prevent you from syncing your email and calendar events. The other solution to fix Outlook sync issues is recreating Microsoft Outlook profile. Users can also convert OST files into various file formats, including PST, HTML, EML, MSG, vCard, etc. It also provides the option to export the Outlook OST file into Office 365 and Live Exchange mailboxes. This software also has a splitter option to split large-sized PST files into smaller ones, helping users preve...