Introduction Manual testing services is an essential aspect of assuring software quality and user happiness. Successfully writing manual test cases can make the difference between discovering critical bugs and letting them slide through the cracks. This article explains how to design manual test cases that catch 99% of defects, ensuring your application is well-tested and meets user and stakeholder expectations interest. 1. Understand the Requirements Thoroughly Writing effective test cases begins with a thorough understanding of the application's needs. Your test cases are built on a foundation of clear, well-defined requirements. Meaningful tests cannot be written without a strong understanding of what the software is intended to achieve. Actions to Take: Clarify with stakeholders : Consult with developers business analysts Product Manager and other stakeholders To clarify misunderstandings in the terms If you are unsure about something Ask for examples or use ...