Microsoft 365 Backup

Mailstore – Professional Email Archiving for Business

Mailstore is a leading email archiving solution. It ensures regulatory compliance, space savings, and fast search in email archives.

Free consultation 14 days free trial

What is Mailstore?

Mailstore is a professional email archiving solution used by over 70,000 companies worldwide. It automatically archives all emails from Exchange, Microsoft 365, IMAP, and other sources. It ensures compliance with regulations requiring long-term correspondence storage, offers lightning-fast search, and offloads mail servers.

How does Mailstore work?

  • 1 Install Mailstore Server or cloud service
  • 2 Configure archiving sources (Exchange, M365, IMAP)
  • 3 Automatic email archiving per policy
  • 4 Deduplication and compression for space savings
  • 5 Optional stubbing – replacing attachments with links
  • 6 Indexing for lightning-fast search
  • 7 User access to archives through Outlook add-in or web

Benefits of Mailstore

  • Automatic archiving of all emails
  • Lightning-fast full-text search
  • Regulatory compliance (GDPR, financial archiving)
  • Mail server offloading
  • eDiscovery for audits and investigations
  • Outlook integration and web access
  • Export to standard formats
  • Simple per-user licensing

Mailstore Security

Mailstore offers AES-256 archive encryption, digital signatures ensuring archive integrity, role-based access control, and complete audit of all operations. Integration with Active Directory for centralized permission management.

Where are archives stored?

With our cloud service, archives are stored in our Data Center in Poland. For on-premises installations, data remains in your infrastructure. Regardless of model, data stays in the EU, ensuring GDPR compliance.

Who is Mailstore for?

Regulated companies

Finance, law, public sector

Companies with full mailboxes

Looking to offload mail servers

Organizations needing eDiscovery

Audits, investigations, litigation

Companies after migration

Archiving old email from previous systems

Frequently asked questions

Yes, Mailstore fully integrates with Microsoft 365. It archives emails from Exchange Online and allows users to search the archive from Outlook or web browser.

Thanks to deduplication (eliminating duplicates) and compression, the archive typically takes 40-60% less space than original emails. Stubbing can further reduce mailbox size.

Yes, Mailstore supports GDPR compliance: retention policies, right to be forgotten, data export, and complete audit. Storing data in Poland additionally facilitates compliance.

Mailstore uses a simple per-user licensing model. A license is required for each archived mailbox. Perpetual and subscription licenses available.

Talk to an expert




    We will respond within 24 business hours

    • Tier III Data Center
    • 24/7 Support
    You may be interested in
    14 days free trial

    Start protecting your data today

    Talk to our expert and learn how we can secure your IT infrastructure. No obligations, no hidden costs.

    Free consultation Start test
    DC Tier III
    24/7 Support
    99.9% SLA