Extensions allow businesses to broaden the functionality of your EspoCRM instance. In addition, they provide the ability to fully customize the system to meet the needs of your company and industry. EspoCRM offers a range of extensions, such as Advanced Pack, Sales Pack, Outlook Integration, Google Integration, VoIP Integration, Mailchimp Integration, Real Estate. These extensions can be used to enhance the sales functionality of the software, use reporting to gain insights into the performance of your company, automate business processes and integrate the platform with third-party services (Outlook, Google, and Mailchimp) and the number of telephony providers. By using them, the business gets the ability to streamline its business processes and use the software to the fullest.