atwork EXOM Exchange Online Migration PowerShell Module

atwork EXOM is a high-performance tool (PowerShell module) for consultants and administrators. Its purpose is to assist you in migrating mailboxes between Exchange On-Premises organizations and Exchange Online (Office 365).

In doing so, atwork EXOM exceeds the usual range of Microsoft standard tools and procedures by far!

Alongside a carefully planned and monitored migration of mailboxes, we are also able to offer you extensive reporting.

By request, the entire process can be accomplished before launching the migration.


  • Facilitated creation of migration batches by use of single selection or *.CSV files
  • Automatized assignment of licenses based on Active Directory Groups
  • Backup of mailbox authorizations
  • Detailed Reporting for management staff, administrators, and/or end-users
  • Detailed and adaptable "Pre-Migration" checks and reports
  • Checks for invalid UPNs
  • Verification of e-mail addresses with the option of removing invalid addresses (e.g. ''.local'')
  • Adoption of mailbox forwarding (Forwarding Address und Forwarding SMTP Address)
  • Adoption of regional mailbox settings (Mailbox Regional Configuration)
  • Elimination of mailbox authorizations via security groups and explicit configuration of authorization on mailbox level
  • Adaptable "Post-Migration" tasks after migrating the mailboxes
  • Activating Exchange Online Archive
  • Establishing Mailbox Quota
  • Activation/ Deactivation of mailbox features, such as POP3, IMAP, OWA, EAS, etc.


Have we sparked your interest? Would you like us to send you further information or to provide you an offer? Do not hesitate to contact us via