You can use the MCT Google Workspace Backup Tool to easily back up your Google Workspace/G Suite data. This software allows users to migrate Google Workspace mailboxes to platforms like Office 365, Gmail, Yahoo Mail, AOL, Hotmail, IMAP, Zoho Mail, and iCloud Mail. Additionally, it enables users to export Google Workspace data into PST and multiple file formats such as MBOX, PDF, MSG, EML, EMLX, and CSV. The software also features an "Exclude Duplicate" option, which helps you skip duplicate emails during the backup, ensuring that unique emails are saved.