Bluehost Web Hosting Help
VPS or Dedicated Hosting - Using Multiple cPanel Accounts To Set Custom Nameservers
How to setup name servers for multiple cPanel accounts.
VPS or Dedicated Hosting - Reseller Account Transfers
To help with transferring of accounts from other servers to your account.
Office 365: Multi-Factor Authentication
Office 365 requires admins users to set up multi-factor authentication before they can use the account. If customers do not set up their multi-factor authentication within 48 hours, they may be locked out.