Equivio is a company that specializes in text analytics software, primarily catering to the legal industry. It offers solutions for e-discovery, information governance, and compliance by utilizing technologies such as machine learning to analyze and group similar documents. Their software aids in streamlining the review process, reducing costs, and enhancing the accuracy of legal and regulatory document reviews. Equivio was acquired by Microsoft in 2015, integrating its capabilities into Microsoft's portfolio of products to enhance their data analysis and management offerings.