Move your enterprise email archive to Microsoft 365 with confidence.
Transvault Intelligent Migrator provides a secure, direct and fully auditable route from legacy email archives into Microsoft 365, preserving data integrity, maintaining chain of custody and minimising disruption throughout the migration.
As Microsoft transitions Exchange Online from Exchange Web Services (EWS) to Microsoft Graph, Transvault is already ready.
Migrating an enterprise e-mail archive isn’t simply about moving data from one platform to another.
For organisations managing large, complex or compliance-sensitive data estates, every item must arrive securely, accurately and in a way that can be demonstrated long after the migration is complete.
Transvault Intelligent Migrator is designed specifically for that challenge.
Our technology moves e-mail archive data directly from your existing environment onto Microsoft 365,with no unnecessary interim formats or staging areas. Throughout the migration, detailed auditing provides evidence of what was migrated, when it was migrated and whether it was successfully delivered.
The result of Microsoft 365 migration designed around 3 things that matter: data integrity, compliance and a successful project outcome.
Microsoft is retiring Exchange Web Services (EWS) in Exchange Online, with phased disablement beginning in October 2026 and permanent retirement planned for April 2027.
For organisations planning or undertaking Microsoft 365 migrations, this changes the technology used to interact with Exchange Online, making Graph readiness an important consideration when choosing your migration solution.
Transvault has been preparing for this transition well ahead of Microsoft’s retirement dates.
We were one of the early participants in Microsoft’s Graph Technology Adoption Program (TAP), working with Microsoft as Graph capabilities evolved to support the requirements of complex enterprise migration scenarios.
Today, Microsoft Graph support is implemented across core Exchange Online migration workflows within Transvault Intelligent Migrator, and Graph-based migrations are already being performed successfully.
Our Graph functionality has been extensively tested against established EWS migration workflows, giving customers and partners confidence that the transition to Graph does not compromise the migration standards they expect from Transvault.
Prepared for the transition. Proven in migration.
20 years of migration expertise
Transvault has specialised in enterprise e-mail archive migration for two decades. Intelligent Migrator has been continually developed and refined through more than 3,500 migration projects worldwide.
Secure, direct migration
Move data directly from the secure archive into Microsoft 365 without unnecessary interim formats or temporary staging environments, reducing risk and maintaining data integrity throughout the migration.
Compliant and legally defensible
Maintain full and demonstrable chain of custody, supported by detailed audit trails and reporting to help demonstrate that data has been successfully delivered into Microsoft 365.
Ready for Microsoft Graph
Transvault has worked with Microsoft throughout the transition from EWS to Graph and has already implemented Graph support across core Exchange Online migration workflows.
Built for complex enterprise environments
From active users and levers to journals, shared mailboxes and PST’s, Intelligent Migrator is designed to address the complexities that standard migration approaches can struggle to accommodate.
Performance at enterprise scale
Advanced scheduling, intelligent bandwidth management, multi-threading and scalable architecture enable large data volumes to be migrated efficiently while minimising the impact on users and business operations.
Transvault has pioneered the migration market space and has produced a benchmark whereby all migration companies are measured.
Legacy email archives can contain years, sometimes decades, of business-critical information.
Transvault Intelligent Migrator provides direct and API-based migration support for a broad range of enterprise archive platforms, enabling organisations to consolidate legacy data into Microsoft 365 without compromising its integrity.
Supported source environments include:
– Microsoft Exchange
– Veritas Enterprise Vault
– Dell EMC SourceOne and EmailXtender
– Capax Enterprise Archive Solution
– Veritas Enterprise Vault.cloud
– Metalogix Archive Manager
– PST files
Migrating journal archives into Microsoft 365 presents particular compliance challenges because Microsoft 365 does not provide a conventional journal mailbox equivalent.
Transvault provides specialist capabilities for handling journal and journal archive migrations while preserving the information organisations may need for future compliance and eDiscovery requirements.
Our approach enables journal records to be transferred securely and reliably, with full and demonstrable chain of custody and integrity.
PST files can be distributed across networks, devices and storage locations, often containing unknown or unmanaged content.
Intelligent Migrator enables organisations to identify, control and migrate PST content into Microsoft 365 in line with their business, compliance and retention requirements.
Our approach provides the granularity needed to determine what should be migrated while maintaining visibility and control throughout the process.
Explore PST migrations
Moving from Veritas Enterprise Vault to Microsoft 365 can involve far more than simply transferring archived email.
Shortcuts, journal archives, retention requirements, inactive users and large data volumes can all introduce complexity.
Transvault provides specialist Enterprise Vault migration capabilities designed to preserve the integrity of your archived data while providing users with a seamless transition to Microsoft 365.
Learn more about Enterprise Vault to Microsoft 365 migrations
Migration performance matters particularly when organisations need to retire expensive legacy infrastructure, meet project deadlines or migrate very large data volumes.
But speed cannot come at the expense of security, compliance or data integrity.
Intelligent Migrator has been engineered to deliver both.
– Direct connectors to leading archive platforms
– Intelligent retrieval and ingestion
– Advanced automatic scheduling
– Bandwidth optimisation
– Multi-threaded processing
– Concurrent migration tasks
– Scalable enterprise architecture
– Flexible handling of active and inactive users
Transvault combines specialist migration technology with a team that has spent two decades solving complex enterprise migration problems.
We work alongside customers and partners throughout the project: helping plan the migration, identify risks, prepare environments, optimise performance and resolve challenges as they arise.
As Microsoft moves Exchange Online from EWS to Graph, that same approach continues. Microsoft Graph support is implemented across core Exchange Online migration workflows within Transvault Intelligent Migrator, and Graph-based migrations are already being performed successfully.
Because ultimately, a successful migration isn’t measured by the technology used to move the data.
It’s measured by the outcome.
Start your Microsoft 365 migration
Whether you’re retiring a legacy archive, consolidating platforms, moving from Enterprise Vault or preparing for Microsoft’s transition from EWS to Graph, Transvault can help you plan and deliver your migration with confidence.
Talk to our Microsoft 365 email archive migration specialists about your environment, timescales and requirements.
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Explore why it’s vitally important to migrate your email archive as part of your Cloud Office Migration project and the expertise required to manage the entire project no matter how complex.
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This whitepaper offers organisations planning a migration to the Cloud a ‘considerations roadmap’ for migrating their legacy email records.