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Instead of Open Archiver Enterprise
Open Archiver Enterprise alternatives
Open Archiver Enterprise keeps company email searchable and tamper-proof on infrastructure the organization controls. It connects to Google Workspace, Microsoft 365 and IMAP, captures unmodified messages per recipient including BCC recipients, and imports PST, EML and MBOX files in bulk. Enterprise adds retention policies, legal holds, a hash-chained audit log, integrity reports, AES-256 encryption, single sign-on, organization-wide two-factor authentication, full-text search and EML export. The self-hosted product stores emails, its index and encryption keys on customer-controlled servers. A free open-source edition is available, while Enterprise costs €14 per archived mailbox as a perpetual, one-time license with first-year updates and support.
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Google Drive
by Google DriveFree plan AndroidiPhoneMac+1File storage and versioning across common devices — Google Drive stores and versions files, whereas Open Archiver Enterprise archives searchable email with journaling and compliance controls.
Free plan · paid from $1.99/mo · 14-day trial Visit site - 2
VM Backup
Free plan APILinuxSelf-hosted+1Backing up virtualized Windows server environments — VM Backup protects servers in Hyper-V, VMware and Proxmox environments, unlike Open Archiver Enterprise's email archive.
Free plan · 30-day trial Visit site - 3
MessageSolution Enterprise Email Archive
Paid iPhoneLinuxMac+3Enterprise email compliance and litigation support — MessageSolution adds broad email-system support, browser and client access, offline access, classification and pathway analysis beyond Open Archiver Enterprise.
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OpenText Retain Unified Archiving
Paid AndroidAPIiPhone+4Unified communications archiving with mobile access — OpenText Retain archives email, Bloomberg and mobile communications with policy-based discovery, redaction and PST or PDF export.
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Jatheon Cloud
Paid AndroidAPIiPhone+1Multi-channel compliance and AI-assisted discovery — Jatheon Cloud captures email, social, text, collaboration and website data, adding AI review and risk detection beyond email archiving.
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MailArchiva
Free plan APILinuxSelf-hosted+2Email archiving with flexible export and restore — MailArchiva combines email search, mailbox restore, CSV export, retention, holds and tamper-proof data in a comparable self-hosted model.
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Mimecast Data Leak Prevention
Paid WebPreventing accidental and malicious email data leaks — Mimecast scans outbound email and attachments to block, hold, encrypt or securely deliver messages instead of preserving an archive.
Pricing on request Visit site - 8
ArcTitan
Free trial AndroidiPhoneWeb - 9
Cryoserver
Free trial LinuxMacSelf-hosted+2 - 10
DArcMail
Free plan LinuxMacWindows - 11
MailStore Server
Free trial APISelf-hostedWeb+1 - 12
MailVault
Free trial LinuxSelf-hostedWeb+1 - 13
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MailShelf Pro
Free trial Windows - 15
Global Relay Archive
Paid APIWeb - 16
Intradyn Email Archiving
Paid Self-hostedWebWindows - 17
Vaultastic
Free trial APIWeb - 18
Netmail Archive
Paid Web - 19
Barracuda Message Archiver
Paid MacWebWindows - 20
Smarsh Email Archiving
Paid Web - 21
SYNAQ Archive
Paid Web - 22
Zoho eProtect
Paid Web - 23
Google Vault
Paid Web - 24
IBM Content Collector for Email
Paid LinuxWindows - 25
Hornetsecurity Email Archiving
Paid Web - 26
Proofpoint Enterprise Archive
Paid AndroidiPhoneWeb+1 - 27
Intermedia Archiving
Paid Web
Alternatives make sense when the priority extends beyond controlled email archiving. Google Drive focuses on file storage and versioning, VM Backup on virtualized server protection, and Mimecast on preventing email data leaks. Other archives broaden communication sources, discovery functions, access methods or deployment choices. Compare supported systems, hosting, retention and legal holds, search and export, security controls, and recovery needs. Also consider whether a product captures only email or includes collaboration, mobile, social or website content, and whether its pricing model fits your mailbox or organization requirements.
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