Test Strategy and Test Plan are completely different from one another. Here is the difference between them.

Test Strategy: Test Strategy defines an approach to be followed by testing team n current project.

OR

Test Strategy is a organization level document which is common for all the projects in the organization with small customizations. It will explain the process you will follow in the current project to the out side world or clients.

Test Plan: Test Plan is a project level document which is used for testing a specific project.It will contain the following details…

  1. Test plan ID
  2. Introduction about the project
  3. Test Item (List of modules or features in project)
  4. Features to be tested
  5. Features not to be tested
  6. Test approach (Nothing but Test Strategy)
  7. Test Environment (Systems and network)
  8. Entry Criteria
  9. Suspension Criteria
  10. Exit Criteria
  11. Test Deliverable at the time of project closure
  12. Staff and training needs
  13. Responsibilities of team members
  14. Schedule
  15. Risks and Assumptions
  16. Approvals from managers