Mail Backup - 2026 Pricing, Features, Reviews & Alternatives

Mail Backup is a macOS application that helps businesses secure email data by creating local backups directly on the host machine. It is designed for professionals, organizations with compliance obligations, and privacy-conscious users who require verifiable retention of their email archives. The software supports a broad range of email providers including Gmail, Microsoft cloud-based email services, Yahoo Mail, Apple iCloud, and any IMAP-compatible service. Its versatility enables unified backup management across multiple platforms without depending on third-party cloud storage.

The application features a verification system powered by checksum technology that guarantees each message is captured accurately and only once. Schedules can be tailored to specific intervals to meet personal, professional, or regulatory retention requirements. An incremental backup engine downloads only new or altered messages, optimizing bandwidth usage and backup duration. Live progress tracking and detailed statistics on backup size and message counts provide transparency during operations. Search and filtering tools enable retrieval of archived messages by subject, sender, folder, or date range. Folder inclusion and exclusion options allow refinement of backup scope.

Mail Backup integrates with the Apple Keychain to secure account credentials and OAuth tokens. The application supports OAuth authentication for major providers, removing the need to store passwords directly. All connections are established directly between the user’s device and the email server, ensuring that no data is transmitted to third parties. The read-only design prevents modification or deletion of messages on the source server, preserving data integrity. Archives remain accessible offline, allowing review of email history without network connectivity. The privacy-first architecture supports compliance with legal and regulatory retention requirements by maintaining auditable, locally controlled archives.