Try SysTools Gmail Backup tool to export Gmail emails, contacts, calendars and Google drive storage files into multiple file formats. This tool also takes the backup of Google Docs / Spreadsheets / Slides / Images. For more info, visit its official website: https://www.systoolsgroup.com/gmail-backup.html
Gmvault - Backup the emails in your Gmail account.
Athena Archiver - Athena Archiver Email Archiving Solutions provide enhanced disaster recovery options by enabling automatic off-site email storage and data replication to a mirror site.
MailStore - MailStore Home - A 100% free single-private-user desktop solution
Archive2Azure - Archive360's email archive solution retains your data in your own cloud tenant. Say NO to proprietary email archive software that own your encryption keys.
Got Your Back - Got Your Back (GYB) is a command line tool that backs up and restores your Gmail account.
MailShelf Pro - MailShelf Pro is a professional email archiving solution that covers all important aspects of a...