Azure and Office 365 are both cloud-based solutions offered by Microsoft, but they serve different purposes.

Azure is a cloud computing platform and infrastructure that provides a range of services for building, deploying, and managing applications and services. It includes a range of services such as virtual machines, databases, storage, and more.

On the other hand, Office 365 is popular for the highly available email exchange online solutions, unlike on-premises exchange servers. Office 365 also has a suite of productivity and collaboration tools that includes popular applications such as Word, Excel, PowerPoint, and Outlook. It has also includes cloud-based services such as OneDrive for Business, SharePoint, and Microsoft Teams, which enable organizations to collaborate, share information, and work together from anywhere.

Both Azure and Office 365 share the same user identity from Azure Active Directory which can be used together to provide a comprehensive cloud solution for organizations. For example, Azure can be used to host custom applications that integrate with Office 365, allowing organizations to leverage the power of both solutions. Office 365 can also be used to provide secure and scalable cloud-based email, file sharing, and collaboration services for organizations, while Azure provides the infrastructure and services to support the growth and scalability of those services.