Advanced – Non-Functional Testing
Portability – ISTQB Definition
Last Updated: July 12, 2026 · SoftwareTestPilot QA Team
Official ISTQB Definition
The degree of effectiveness and efficiency with which a system can be transferred from one hardware, software or other operational environment to another (ISO/IEC 25010).
In simple words
How easily the software moves to new OSes, browsers, devices, or clouds.
Exam tip
Includes adaptability, installability, replaceability.
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