Manual

56 Google Apps Migration with IMAP Connector Administration Guide
Monitor migration
When your migration starts, you can monitor the progress in the following screens.
Estimate
If you selected Estimate in the Review screen, then the utility performs an estimate before it
performs the migration. When the estimate has finished, click Migrate to start the migration.
Click Detailed estimation report for more detailed information.
If you want to migrate data when the estimation has finished, click Migrate.