***IMPORTANT *** Before you start- be sure you have already verified your domain through G Suite Admin area.
Step 1: Set up the data migration service
- Sign in to your Google Admin Console – Be sure you have super admin privileges
Click on Data Migration
Click on Set Data Migration
Under Migration Source – Select Other IMAP Server – Make sure Email is the selected data type.
Under Connection Protocol, choose an option:
- Auto Select (Recommended)
- IMAP and the Server URI field, enter your IMAP server name (for example mail.example.com) replace ‘example’ with your domain name
Under Role Account – enter the email address and password for your role account. This is the email account that you are wanting to transfer mail from.
Click Start
If the connection was unsuccessful, verify the role account and connection protocol information is correct- then click Start again.
Under Migration Start Date, accept the option that appears or choose a start date for your migration.
Under Migration Options, accept the options that appear or choose to exclude some data.
Click Select Users
Step 2: Migrate email from IMAP-based webmail
Migrate email for a single user
- Click Add user
- In the Source Email field, enter the user’s legacy email address
- In the G Suite Email field, start entering the user’s new G Suite email address and choose from the list of suggested users
- In the Password field, enter the user’s password for their legacy email account
- Click Start
- (Optional) To migrate another user’s email, repeat these steps
Migrate email for multiple users
- Click Bulk upload with csv
- Click Attach File to upload the migration CSV file containing the legacy email addresses and the new G Suite email addresses
- Click Upload and Start Migration
- If there are errors in your file, choose an option:
- To update the file, click Cancel. Then, upload the updated file.
- To ignore the incorrect mappings, check the Ignore errors box.
Tip: To exit a completed migration, click More and then Exit migration.
