Mailspan

Project flow

1. Open a project

Define source, destination, and migration mode.

2. Configure source access

Use customer-owned Azure AD apps for Microsoft 365 or the equivalent provider setup.

3. Run scan

Verify mailbox reachability, folder counts, and size estimates before writes.

4. Review mappings

Accept automatic matches, override exceptions, or create missing targets.

5. Fund execution

Ensure the account has enough prepaid credits for the selected mailboxes.

6. Run migration

Launch dirs-only, full, or delta runs and follow mailbox-level progress.