Extensibility #flexible Ability to add new features or functions to a system. Example: The plugin system of modern IDEs, like VS-Code. Directly Related Quality Requirements Add new product under 60 minutes Fast deployment Related Qualities Adaptability Changeability Flexibility Modifiability Related Quality Requirements Compatible with 5 major battery providers | #flexible Configurable UI theme | #flexible #usable Core functions can be used on multiple OSs | #flexible #usable #operable Easily change cloud provider | #flexible Efficient change of business rules | #flexible #efficient Efficient update of annual accounting report | #efficient #flexible Independent enhancement of subsystem | #efficient #flexible Independent replacement of subsystem | #flexible #operable #efficient Localizable to several languages | #flexible Modular System for Data Analysis | #efficient #flexible Portable Business Data Checker | #flexible #operable User Interface can be used in Current Browsers | #flexible #usable #operable