Want to know how to convert an OST file to PST using a single tool? MSOutlookHelp OST to PST Converter makes it easy. This tool has an Export OST Files to CSV, vCard (VCF) & ICS Formats feature through which you have the option to export OST file contacts into vCard or CSV format and Calendars into ICS format. With this tool, you can also import OST files to multiple email clients such as IMAP Server, Gmail, Google Workspace Account, and more. Rather than this, you can download the demo version of the software to check the performance through which you can convert 50 email items per folder.