There are many methods to import the PST file to Gmail file. But here I would like to suggest one of the most useful KDETools PST to Gmail Converter tool methods.
• Supports batch conversion software to convert single and multiple files without any damaged files.
• Storage of data and export of various file formats such as EML, EMLX, Zimbra, MSG, HTML, etc.
• Easily supported in ANSI and UNICODE formats.
• This tool allows users to move items in the PST mailbox including email, contacts, calendar, attachments, folders, etc.