Remote Desktop is a tool for managing and accessing multiple servers and desktops, offering features like integrated connection protocols for Windows, Citrix, Linux/UNIX, and Macintosh systems. It allows for centralized management of remote connections, including automation capabilities via PowerShell, and supports both single-user (file mode) and multi-user (database mode) environments. The tool provides secure remote access and administration, with options for offline work and synchronization of data changes.