An OSTTOPSTAPP EML to PST Converter is a simple but efficient way to move email data from EML-based clients to Microsoft Outlook.The converter streamlines the process by allowing you to convert one or more EML files into PST with only a few clicks.One of the main benefits of using an EML to PST converter is the preservation of all email data, including topic, sender, recipient, date, attachments, and folder structure.This ensures that your data won't be altered from what it was before conversion.Many advanced solutions enable mass conversion, which will save you a ton of time if you have hundreds of EML files.