If your PST file is not opening in PocoMail, the reason is simple - PocoMail doesn’t support PST files natively. Instead of struggling with manual tricks, the best way is to convert your PST files into a PocoMail-compatible format. One effective solution is GainTools PST to PocoMail Converter Software. This tool is designed to move your Outlook data safely into PocoMail. You don’t need Outlook installed, and the software keeps your emails, attachments, and folders intact. This tool migrates single and multiple Outlook PST files into the Poco Mail file format. This tool migrates the password-protected ANSI and Unicode Outlook PST files into the Pocomail file format. You can easily save all the data of PST files into the Pocomail file format. This application supports all Windows OS and MS Outlook versions. A free demo version of the application.