We carry out a complete audit of your current messaging system to identify volumes, shared mailboxes, archives, as well as specific rules and parameters. This enables us to prepare a loss-free migration and define a strategy that takes account of technical and business constraints. We also check compatibility with your network infrastructure and security solutions.

We ensure migration between heterogeneous environments such as Exchange, Lotus Notes, Zimbra, Google Workspace,... to modern solutions like Microsoft 365. Our tools and methodologies ensure that e-mails, contacts, calendars and tasks are transferred unaltered. We also manage complex scenarios, such as temporary coexistence or multi-domain migrations, to preserve the continuity of exchanges.

As specialists in Microsoft environments, we master the migration of messaging systems to Exchange Online, while integrating associated services such as Teams, SharePoint and OneDrive. This approach enables us to transform a simple migration into a genuine collaborative modernization project. We also manage license configuration and identity federation (Azure AD, SSO).

We protect your sensitive communications with encryption, multi-factor authentication and access control mechanisms. Migration is carried out in compliance with regulations (RGPD, ISO 27001), with full traceability at every stage. We also ensure that archives are kept and that retention policies are respected.