UpSafe Gmail Backup is described as 'simple yet efficient solution for inter-cloud, cross-cloud backups and cloud-to-local storage replication'. There are more than 10 alternatives to UpSafe Gmail Backup for a variety of platforms, including Windows, Linux, Mac, iPhone and iPad. The best alternative is MailStore. It's not free, so if you're looking for a free alternative, you could try Gmvault or Got Your Back. Other great apps like UpSafe Gmail Backup are Beyond Inbox (Paid), SysTools Gmail Backup (Paid), Gmail Backup (Free, Open Source) and SpinBackup (Free Personal).
Export your Office 365 mailboxes and Public folders. Archive mails offline. Don’t spend your dollars to retain unwanted mail content in cloud. Move your data to any external storage or have any third-party archival systems consume the exported data.
MailShelf Pro is a professional email archiving solution that covers all important aspects of a secure and compliant long-term archiving of your emails and which also offers you many additional features.