What is a RDP file?
A .RDP file is primarily a Remote Desktop Configuration File created by Microsoft. It stores connection settings for Microsoft Remote Desktop and the Remote Desktop Connection Manager. These settings include the target server address, network port, username, and screen display preferences. Alternatively, a .RDP file can be a network device driver package used by enterprise software like Cisco Network Services Orchestrator or HP Network Automation. These secondary files use a compressed ZIP format.
How to open RDP files?
To start a remote session on a Windows computer, simply double-click the .RDP file. This automatically launches the native remote desktop client. Because the standard configuration files store data in plain text, you can also view and edit them with a basic text editor like Notepad or Notepad++. For network driver packages, archiving software like 7-Zip or command-line utilities like `unzip` can extract the internal contents.
Best practices and troubleshooting
Never open a .RDP file from an unknown source. Malicious files can trick your computer into connecting to a dangerous server or exposing your local hard drives to an attacker. If you want to verify the server address before connecting, inspect the file contents safely first.
Summary
viewer.online/rdp analyzes .RDP files to identify their exact format and creator software, shows which programs can open the file, and usually previews it. Because standard .RDP files use the known UTF-16 (LE) format, viewer.online/rdp can safely open and display them online, eliminating compatibility problems. Since .RDP has multiple possible meanings, we recommend using viewer.online/rdp to identify the actual format of your specific file.