Ansoff's work has had a lasting impact on the field of strategic management. The Ansoff Matrix remains a widely used tool in business strategy and planning. The book's emphasis on aligning a company's growth objectives with its internal capabilities and external market opportunities continues to influence business leaders and strategists today.

The is a digital library. While the full 1965 text may not always be available due to copyright restrictions, you can often find:

Experts at Umbrex and CaseBasix note that while the book was written in 1965, its focus on balancing risk and core optimization remains a staple in boardrooms today.

Igor Ansoff’s 1965 book, Corporate Strategy: An Analytic Approach to Business Policy for Growth and Expansion

If you are a student, start with your university library’s interlibrary loan. If you are a professional, buy a used copy. And if you simply want the matrix, draw it on a whiteboard right now. The strategy is in the thinking, not just the file.