ArcTitan is an email archiving solution that securely stores and allows easy access to emails for compliance and regulatory purposes.
Starting from $3.50/user/month
Best Exchange Online Archiving Alternatives ranked by AI · updated Aug 2026
Exchange Online Archiving provides cloud-based mailbox archiving, retention, and search for organizations using Exchange Online. It is intended for Microsoft 365 customers that prefer native integration with Exchange, Outlook, and Microsoft Purview.
Top 6 Exchange Online Archiving alternatives
Hornetsecurity Email Archiving is a cloud-based service for preserving and retrieving business email for compliance, continuity, and legal discovery. It supports centralized...
Pros
- Integrates with Microsoft 365 and common business email environments
- Cloud-based retention reduces the need to operate archive infrastructure
- Search and export capabilities support compliance and e-discovery workflows
Cons
- Public pricing is not readily available
- Less suitable than MailStore for organizations requiring a self-hosted archive
- Advanced compliance workflows may be less extensive than Proofpoint or Mimecast
Proofpoint Enterprise Archive offers intelligent archiving and e-discovery capabilities for organizations.
Pros
- Advanced e-discovery features
- Integration with threat intelligence
Cons
- Higher initial setup costs
- Requires training for full utilization
Contact for pricing
4
Mimecast Cloud Archive
Mimecast
Mimecast Cloud Archive is a hosted email archiving service with retention, search, legal hold, and continuity capabilities. It targets businesses that want...
Pros
- Combines archiving with email security and continuity services
- Cloud delivery reduces storage and maintenance responsibilities
- Provides user search, administrator discovery, and legal-hold controls
Cons
- Usually costs more than standalone archive software when security features are included
- Some advanced capabilities depend on the selected Mimecast package
- Less appropriate for strict on-premises data-residency requirements
Quote-based
5
MailStore Server
MailStore
MailStore Server is on-premises email archiving software for small and midsize organizations. It archives mail from common mail servers and services, with...
Pros
- Usually simpler and more affordable for SMB deployments than enterprise suites
- Supports on-premises control and common mail systems
- Offers straightforward full-text search and user self-service
Cons
- Requires organizations to provide storage, backup, and maintenance
- Fewer advanced governance features than Microsoft Purview or Proofpoint
- Less suited to multinational enterprises with complex supervision needs
Quote-based
6
Barracuda Cloud Archiving
Barracuda Networks
Barracuda Cloud Archiving captures and retains business email in a searchable cloud archive. It serves businesses and IT providers that want email...
Pros
- Combines archiving with Barracuda email security and continuity products
- Provides searchable retention and recovery for business mailboxes
- Strong channel and MSP distribution model
Cons
- Pricing and packaging are usually quote-based
- May be more platform than a small organization needs
- Compliance tooling is less specialized than some Proofpoint deployments
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