> ## Documentation Index > Fetch the complete documentation index at: https://support.servicem8.com/llms.txt > Use this file to discover all available pages before exploring further. # How to change Account Owner login email and phone number > Learn how to change Account Owner login email and phone number in ServiceM8. The login email address and mobile phone number of the owner of the ServiceM8 account (as shown in Settings > Staff) can only be changed in **Settings > ServiceM8 Account > Account Owner Settings:** Email addresses, phone numbers and details of other staff members (not the Account Owner) can be edited in **Settings > Staff**.