Learn how to remove an Extension Attribute from an account in Active Directory using PowerShell. Understand the structure of Extension Attributes in Active Directory and the precautions to take before removal. Follow the step-by-step guide to successfully remove the attribute. Prerequisites include access to an Active Directory domain controller, Windows PowerShell installation, Active Directory PowerShell module installation, and permission to modify user accounts. Ensure you have met these prerequisites and have a good understanding of Active Directory before proceeding. Backup data and test in a non-production environment before making changes in a live environment.