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Adobe is an American multinational computer software company. The company is headquartered in San Jose, California, United States. Adobe has historically focused upon the creation of multimedia and creativity software products, with a more recent foray towards rich Internet application software development. It is best known for Photoshop, an image editing software, Acrobat Reader, the Portable Document Format (PDF) and Adobe Creative Suite, as well as its successor Adobe Creative Cloud.

Microsoft is an American multinational technology company with headquarters in Redmond, Washington. It develops, manufactures, licenses, supports and sells computer software, consumer electronics, personal computers, and services. Its best known software products are the Microsoft Windows line of operating systems, the Microsoft Office suite, and the Internet Explorer and Edge web browsers. Its flagship hardware products are the Xbox video game consoles and the Microsoft Surface tablet lineup. As of 2016, it is the world's largest software maker by revenue,[4] and one of the world's most valuable companies.[5] The word "Microsoft" is a portmanteau of "microcomputer" and "software".