I would recommend using the Professional MailConverterTools G Suite Backup Tool for an easy and hassle-free backup of Google Workspace emails. G Suite Backup Tool is a comprehensive data backup solution designed for Google Workspace users. This software allows you to effortlessly backup your data in a range of formats, including PST, MSG, EML, PDF, DOC, MBOX, and EMLX. It’s a powerful user-friendly interface makes it convenient to use even by non-technical users. Try to download & use demo version first.