Looking for a method to open PST file in mail app? If yes your answer, then you can take the help of professional PST File Converter software that helps you to export multiple Outlook PST files to Mail App account directly without using Outlook. It has a very simple GUI, everyone can easily use and manage the software without any help. There is no file size limitation, one can export a large size of PST files into Outlook.com account including all details and attachments. It allows you to batch open PST file in Mail app account without any problem. It was compatible with both Mac OS and Windows OS including Windows 11. You can also use the free demo version of the software without any cost.