Quick Overview
- 1#1: Mimecast - Cloud-based email archiving platform providing secure storage, compliance, eDiscovery, and supervision for enterprises.
- 2#2: Proofpoint Enterprise Archive - Comprehensive email archiving solution with advanced search, retention policies, and integration for security and compliance.
- 3#3: Microsoft Purview - Integrated compliance and archiving tool for Microsoft 365 offering retention, eDiscovery, and data governance features.
- 4#4: Google Vault - Archiving and eDiscovery service for Google Workspace enabling legal holds, search, and export of email data.
- 5#5: OpenText Enterprise Vault - Robust on-premises and cloud email archiving system for large-scale storage, compliance, and rapid retrieval.
- 6#6: Barracuda Message Archiver - Hybrid cloud and on-premises email archiving appliance with deduplication, search, and PST management.
- 7#7: Smarsh - Cloud archiving platform for email and unified communications focused on regulatory compliance.
- 8#8: Global Relay - Secure, tamper-proof archiving solution for regulated industries supporting email and collaboration data.
- 9#9: MailStore Server - Affordable on-premises email archiving software for SMBs with fast search and backup integration.
- 10#10: Commvault - Data management platform including email archiving, backup, and recovery for hybrid environments.
Our ranking prioritizes robust features (including retention policies, search functionality, and regulatory support), operational quality (scalability, security, and integration capabilities), ease of use, and value to suit the needs of enterprises, regulated industries, and small to medium businesses.
Comparison Table
Email archiving software is vital for organizations to efficiently manage, preserve, and retrieve digital communications. This comparison table features leading tools—such as Mimecast, Proofpoint Enterprise Archive, Microsoft Purview, Google Vault, OpenText Enterprise Vault, and more—so readers can evaluate options based on key capabilities, pricing, scalability, and integration with existing systems. By comparing these solutions, users gain clarity to align their archiving needs with the right software for their operations.
| # | Tool | Category | Overall | Features | Ease of Use | Value |
|---|---|---|---|---|---|---|
| 1 | Mimecast Cloud-based email archiving platform providing secure storage, compliance, eDiscovery, and supervision for enterprises. | enterprise | 9.6/10 | 9.8/10 | 8.7/10 | 9.2/10 |
| 2 | Proofpoint Enterprise Archive Comprehensive email archiving solution with advanced search, retention policies, and integration for security and compliance. | enterprise | 9.1/10 | 9.5/10 | 8.4/10 | 8.7/10 |
| 3 | Microsoft Purview Integrated compliance and archiving tool for Microsoft 365 offering retention, eDiscovery, and data governance features. | enterprise | 8.7/10 | 9.2/10 | 7.8/10 | 8.4/10 |
| 4 | Google Vault Archiving and eDiscovery service for Google Workspace enabling legal holds, search, and export of email data. | enterprise | 8.4/10 | 8.6/10 | 9.2/10 | 8.0/10 |
| 5 | OpenText Enterprise Vault Robust on-premises and cloud email archiving system for large-scale storage, compliance, and rapid retrieval. | enterprise | 8.7/10 | 9.3/10 | 7.8/10 | 8.2/10 |
| 6 | Barracuda Message Archiver Hybrid cloud and on-premises email archiving appliance with deduplication, search, and PST management. | enterprise | 8.2/10 | 8.7/10 | 8.0/10 | 7.5/10 |
| 7 | Smarsh Cloud archiving platform for email and unified communications focused on regulatory compliance. | enterprise | 8.7/10 | 9.4/10 | 7.9/10 | 8.2/10 |
| 8 | Global Relay Secure, tamper-proof archiving solution for regulated industries supporting email and collaboration data. | enterprise | 8.7/10 | 9.4/10 | 8.1/10 | 8.3/10 |
| 9 | MailStore Server Affordable on-premises email archiving software for SMBs with fast search and backup integration. | specialized | 8.3/10 | 8.9/10 | 7.4/10 | 9.1/10 |
| 10 | Commvault Data management platform including email archiving, backup, and recovery for hybrid environments. | enterprise | 7.8/10 | 8.5/10 | 6.8/10 | 7.2/10 |
Cloud-based email archiving platform providing secure storage, compliance, eDiscovery, and supervision for enterprises.
Comprehensive email archiving solution with advanced search, retention policies, and integration for security and compliance.
Integrated compliance and archiving tool for Microsoft 365 offering retention, eDiscovery, and data governance features.
Archiving and eDiscovery service for Google Workspace enabling legal holds, search, and export of email data.
Robust on-premises and cloud email archiving system for large-scale storage, compliance, and rapid retrieval.
Hybrid cloud and on-premises email archiving appliance with deduplication, search, and PST management.
Cloud archiving platform for email and unified communications focused on regulatory compliance.
Secure, tamper-proof archiving solution for regulated industries supporting email and collaboration data.
Affordable on-premises email archiving software for SMBs with fast search and backup integration.
Data management platform including email archiving, backup, and recovery for hybrid environments.
Mimecast
enterpriseCloud-based email archiving platform providing secure storage, compliance, eDiscovery, and supervision for enterprises.
Aware AI search technology that delivers intent-based, contextual results across archived data in seconds
Mimecast is a comprehensive cloud-based email archiving solution designed to securely store, manage, and retrieve email data for compliance and eDiscovery needs. It integrates seamlessly with Microsoft 365, Google Workspace, and other platforms, offering unlimited storage, rapid search capabilities powered by AI-driven Aware technology, and features like legal holds and retention policies. The platform combines archiving with advanced threat protection, ensuring data integrity and accessibility while minimizing business disruption.
Pros
- Exceptional AI-powered search with Aware for contextual, lightning-fast retrieval
- Unlimited storage and robust compliance tools including eDiscovery and legal holds
- Seamless integration with major email platforms and built-in security features
Cons
- Higher pricing suitable more for enterprises than SMBs
- Initial setup and customization can require IT expertise
- Advanced features may overwhelm users not needing full security suite
Best For
Large enterprises and regulated industries needing top-tier email archiving with integrated cybersecurity and compliance capabilities.
Pricing
Subscription-based starting at approximately $8-15 per user per month, scaled by features and volume; custom enterprise quotes available.
Proofpoint Enterprise Archive
enterpriseComprehensive email archiving solution with advanced search, retention policies, and integration for security and compliance.
Context Graph analytics that deliver behavioral insights and risk scoring from archived email data
Proofpoint Enterprise Archive is a cloud-native email archiving solution that enables organizations to securely store, search, and manage vast volumes of email data for compliance, eDiscovery, and supervision. It supports hybrid environments including Microsoft 365, Google Workspace, and on-premises systems, with features like legal holds, PST migration, and defensible retention policies. Integrated with Proofpoint's broader security platform, it offers contextual analytics to uncover insights from archived communications.
Pros
- Exceptional search and eDiscovery with sub-second query times across petabytes of data
- Robust compliance tools including automated supervision and legal holds
- Seamless scalability and integration with Office 365 and Proofpoint security suite
Cons
- Premium pricing suitable mainly for large enterprises
- Complex initial setup and configuration for advanced features
- Limited customization for non-standard archiving needs
Best For
Large enterprises and regulated industries needing enterprise-grade email archiving for compliance, litigation support, and insider threat detection.
Pricing
Quote-based subscription pricing, typically $6-12 per user/month depending on volume, features, and retention; includes scalable storage.
Microsoft Purview
enterpriseIntegrated compliance and archiving tool for Microsoft 365 offering retention, eDiscovery, and data governance features.
AI-powered adaptive protection and unified retention policies across email, files, and collaboration tools
Microsoft Purview is a unified data governance and compliance solution from Microsoft that provides robust email archiving capabilities integrated with Exchange Online and Microsoft 365. It allows organizations to automatically retain emails, apply retention policies, and perform advanced searches via eDiscovery tools to meet compliance needs. The platform supports in-place archiving with virtually unlimited storage, content classification using AI, and auditing for regulatory adherence.
Pros
- Seamless integration with Microsoft 365 ecosystem including Outlook and Teams
- Powerful eDiscovery and compliance tools with AI-driven insights
- Scalable archiving with unlimited storage and granular retention policies
Cons
- Complex setup and management for non-Microsoft admins
- Limited multi-vendor email support outside Exchange
- Additional licensing required for full advanced compliance features
Best For
Large enterprises deeply invested in the Microsoft 365 ecosystem needing enterprise-grade compliance and email retention.
Pricing
Included in Microsoft 365 E3 ($36/user/month); full compliance features require E5 ($57/user/month) or add-ons like Purview Compliance Manager ($10/user/month).
Google Vault
enterpriseArchiving and eDiscovery service for Google Workspace enabling legal holds, search, and export of email data.
Native, unlimited data retention across Gmail and Google services with no extra storage fees in higher plans
Google Vault is a compliance and archiving solution integrated within Google Workspace, enabling organizations to retain, search, and export emails from Gmail, along with chats and files from other Google services. It supports legal holds, retention policies, and eDiscovery to meet regulatory requirements like GDPR and HIPAA. Primarily designed for Google Workspace users, it provides a centralized admin console for managing data across the ecosystem.
Pros
- Seamless integration with Google Workspace for effortless Gmail archiving and search
- Powerful eDiscovery tools with advanced full-text search and legal holds
- Unlimited storage in Enterprise plans, reducing long-term costs
Cons
- Limited to Google Workspace; no support for other email providers like Microsoft 365
- Fewer advanced customization options compared to dedicated enterprise archiving tools
- Additional licensing required for lower-tier Workspace plans
Best For
Google Workspace organizations needing straightforward compliance archiving and eDiscovery without third-party integrations.
Pricing
Included in Workspace Business Plus ($18/user/mo) and Enterprise plans; add-on starts at $10/user/month for eligible editions.
OpenText Enterprise Vault
enterpriseRobust on-premises and cloud email archiving system for large-scale storage, compliance, and rapid retrieval.
Advanced policy-based archiving engine with automated retention, deletion, and legal hold enforcement
OpenText Enterprise Vault is a mature enterprise-grade email archiving solution that captures, stores, and manages emails from platforms like Microsoft Exchange and Office 365 to optimize storage and ensure compliance. It provides powerful tools for eDiscovery, legal holds, and retention policies, helping organizations reduce active mailbox sizes while enabling quick retrieval of archived data. Widely used in large-scale environments, it supports auditing, journaling, and integration with records management systems for long-term data governance.
Pros
- Scalable for massive email volumes in enterprises
- Strong compliance and eDiscovery capabilities
- Deep integration with Microsoft ecosystems
Cons
- Complex deployment and ongoing management
- High upfront and licensing costs
- Steep learning curve for administrators
Best For
Large enterprises with high compliance requirements and substantial email archiving needs.
Pricing
Quote-based enterprise licensing, typically $15-25 per user per month depending on volume and features.
Barracuda Message Archiver
enterpriseHybrid cloud and on-premises email archiving appliance with deduplication, search, and PST management.
RapidRestore for near-instant retrieval of archived emails across massive datasets
Barracuda Message Archiver is a robust email archiving solution that captures, stores, and manages email data for compliance, e-discovery, and storage optimization. It supports on-premises, cloud, and hybrid deployments, integrating with platforms like Microsoft Exchange, Office 365, and Google Workspace. Key capabilities include advanced search, automated retention policies, and legal hold features to meet regulatory standards such as GDPR and HIPAA.
Pros
- Powerful full-text search and e-discovery tools with rapid indexing
- Flexible deployment options including cloud and on-premises
- Seamless integration with Barracuda's email security suite
Cons
- Pricing can be higher for smaller organizations
- Admin interface has a learning curve for advanced configurations
- Limited built-in reporting compared to top competitors
Best For
Mid-to-large enterprises needing compliant archiving with strong search and integration into existing Barracuda ecosystems.
Pricing
Subscription-based, starting at ~$3-5 per user/month (billed annually); custom enterprise quotes required.
Smarsh
enterpriseCloud archiving platform for email and unified communications focused on regulatory compliance.
Unified multi-channel capture and archiving for over 100 communication types including emerging platforms like WhatsApp and Bloomberg Chat
Smarsh is a leading cloud-based email archiving and compliance platform designed for regulated industries like finance and healthcare. It captures, preserves, and provides secure access to emails, instant messages, social media, voice recordings, and other digital communications for long-term retention and audit-proof retrieval. The solution emphasizes defensible archiving, advanced search with AI-driven analytics, and integrated supervision tools to ensure regulatory compliance such as SEC 17a-4 and FINRA.
Pros
- Multi-channel archiving supporting email, chat, social media, and voice
- Powerful AI-enhanced search and e-discovery capabilities
- Robust compliance tools with automated supervision and tamper-proof storage
Cons
- High cost suitable mainly for large enterprises
- Steep learning curve and complex initial setup
- Limited flexibility for small businesses or non-regulated sectors
Best For
Large financial institutions and regulated enterprises requiring comprehensive multi-channel compliance archiving.
Pricing
Custom enterprise pricing, typically subscription-based starting at $15-25 per user per month, with quotes required for full features.
Global Relay
enterpriseSecure, tamper-proof archiving solution for regulated industries supporting email and collaboration data.
AI-powered Sentinel supervision that detects compliance risks in real-time across all archived communications
Global Relay is a compliance-focused email archiving solution designed for regulated industries like finance, capturing and storing emails, chats, social media, and voice communications in a tamper-proof, searchable repository. It ensures adherence to standards such as SEC 17a-4 and FINRA with features like legal holds, e-discovery, and advanced supervision tools. The cloud-based platform scales to handle massive data volumes while providing quick retrieval and analytics for audits and investigations.
Pros
- Multi-channel archiving including email, IM, voice, and social media
- Powerful AI-driven supervision and e-discovery capabilities
- Proven compliance with global regulations and high scalability
Cons
- High cost suitable mainly for enterprises
- Complex setup and administration for non-experts
- Less optimized for non-regulated small businesses
Best For
Regulated financial institutions and enterprises needing comprehensive, compliant email archiving across multiple communication channels.
Pricing
Custom quote-based enterprise pricing, typically $15-30 per user/month with annual contracts and volume discounts.
MailStore Server
specializedAffordable on-premises email archiving software for SMBs with fast search and backup integration.
Universal archiving from virtually any email system via standard protocols or native connectors, without per-source limitations
MailStore Server is a robust on-premises email archiving solution that enables businesses to centrally store, search, and manage emails from diverse sources like Microsoft Exchange, Office 365, Gmail, and IMAP/POP3 servers. It offers powerful full-text indexing, eDiscovery tools, compliance features such as legal holds, and secure access via web, Outlook, or mobile apps. Designed for reliability and efficiency, it uses single-instance storage to minimize space usage while supporting auditing and export options for long-term retention.
Pros
- Extensive compatibility with 20+ email sources including native Exchange/365 support
- Fast full-text search and advanced eDiscovery for compliance
- Cost-effective single-instance deduplication saves storage costs
Cons
- On-premises deployment requires dedicated Windows server and IT expertise
- Web interface appears dated compared to modern cloud alternatives
- Limited built-in cloud hosting options
Best For
Small to mid-sized businesses seeking a secure, perpetual-license on-premises archiving solution for compliance and cost control.
Pricing
Perpetual licenses start at ~€595 for 1-5 users, scaling to €4,000+ for 500 users; optional annual support ~20% of license fee.
Commvault
enterpriseData management platform including email archiving, backup, and recovery for hybrid environments.
AI-powered intelligent data classification and automated policy enforcement across email and multi-platform archives
Commvault offers email archiving as part of its enterprise-grade Complete Data Protection platform, supporting sources like Microsoft Exchange, Office 365, and Gmail. It provides policy-based automated archiving, long-term retention, eDiscovery, and legal hold capabilities to ensure compliance and reduce storage costs. The solution integrates seamlessly with backup and recovery workflows, enabling efficient search and retrieval across petabyte-scale environments.
Pros
- Robust compliance and eDiscovery tools with advanced search
- Scalable integration with enterprise backup infrastructure
- Efficient data deduplication and compression for cost savings
Cons
- Steep learning curve and complex initial setup
- High cost unsuitable for SMBs
- Primarily backup-focused rather than pure archiving specialist
Best For
Large enterprises needing integrated data protection, backup, and email archiving with strong compliance requirements.
Pricing
Subscription-based enterprise pricing, typically $3-6 per user/month for archiving add-ons or capacity-based starting at $10,000+/year; custom quotes required.
Conclusion
Across the reviewed email archiving tools, Mimecast solidifies its position as the top choice, delivering a comprehensive blend of secure storage, compliance features, and enterprise-ready functionality. Proofpoint Enterprise Archive and Microsoft Purview follow closely, with the former excelling in integration for security and the latter offering seamless Microsoft 365 compatibility. Each tool brings unique strengths, but Mimecast rises above as the most well-rounded solution for diverse archiving needs.
Don’t miss out on Mimecast’s industry-leading capabilities—explore its platform to elevate your email archiving, compliance, and eDiscovery processes today.
Tools Reviewed
All tools were independently evaluated for this comparison