Manual testing helps discover and record any software bugs or discrepencies related to the functionality of the product.Manual testing can be replaced by test automation. It is possible to record and playback manual steps and write automated test script(s) using Test automation tools. Although, test automation tools will only help execute test scripts written primarily for executing a particular specification and functionality. Test automation tools lack the ability of decision-making and recording any unscripted discrepancies during program execution. It is recommended that one should perform manual testing of the entire product at least a couple of times before actually deciding to automate the more mundane activities of the product.Manual testing helps discover defects related to the usability testing and GUI testingarea. While performing manual tests the software application can be validated whether it meets the various standards defined for effective and efficient usage and accessibility.