The closest equivalent to an "extension pack" is VMware Tools . This is a package of drivers and services installed inside the guest operating system (OS) to enable seamless mouse movement, shared clipboards, and high-performance graphics. Key Features of VMware's Integration Suite VirtualBox Extension Pack - Download
The concept of an "extension pack" is a staple in the virtualization community, largely popularized by Oracle VM VirtualBox to provide proprietary features like USB 3.0 support and RDP. However, VMware Workstation Pro—recently made free for personal use—takes a different approach. Rather than requiring a separate, modular binary for core hardware support, VMware Workstation leverages a deeply integrated suite of utilities known as to bridge the gap between the physical host and the virtual guest. The Role of VMware Tools vmware workstation extension pack