Follow the below steps to export a contact group in a spreadsheet to allow easy editing:

1. Select ‘Send Messages’ from the left-hand side of the MXT menu, then click on ‘Contact Lists’.

2. Browse your contact lists for the one you would like to export. Click on the 'Cog' icon next to the contact group that you would like to export, and select ‘Export’.

3. The Excel file will be sent to your 'downloads' in CSV format.