Microsoft entered the operating system (OS) business in 1980 with its own version of Unix, licensed from AT&T Corporation a year before, called Xenix, but it was MS-DOS that solidified the company’s dominance. It has been criticized for its monopolistic practices, and the company’s software received criticism for problems with ease of use, robustness, and security. In April 2019, Microsoft became the third public U.S. company to be valued at over $1 trillion. Since Satya Nadella took over as CEO in 2014, the company has changed focus towards cloud computing, as well as its acquisition of LinkedIn for $26.2 billion in 2016.

• On January 23, 2023, Microsoft announced a new multi-year, multi-billion dollar investment deal with ChatGPT developer OpenAI.
• People who use its products and services often end up becoming dependent on them, a process known as vendor lock-in.
• This is due to the company being tax resident in Bermuda as mentioned in the accounts for ‘Microsoft Round Island One, a subsidiary that collects license fees from the use of Microsoft software worldwide.
• Under Nadella’s direction, the company has expanded its video gaming business to support the Xbox brand, establishing the Microsoft Gaming division in 2022 and the acquisition of Activision Blizzard for $68.7 billion in 2023.
• The service includes Copilot, a GPT-4 based large language model tool to query and visualize data, write code, initiate simulations, and educate researchers.
• In 2015, the construction of a data center in Mecklenburg County, Virginia, led to the destruction of a historic African American cemetery despite archeological recommendations for preservation.

In November 2018, the company won a $480 million military contract with the U.S. government to bring augmented reality (AR) headset technology into the weapon repertoires of American soldiers. On November 14, 2014, Microsoft overtook ExxonMobil to become the second most-valuable company by market capitalization, behind only Apple Inc. As of January 2014, Microsoft’s market capitalization stood at $314B, making it the 8th-largest company in the world by market capitalization. Consequently, in February 2011 Microsoft released a corporate bond amounting to $2.25 billion with relatively low borrowing rates compared to government bonds. The company is run by a board of directors made up of mostly company outsiders, as is customary for publicly traded companies.

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Microsoft implemented a new strategy for the software industry, providing a consistent user experience across all smartphones using the Windows Phone OS. As the smartphone industry boomed in the late 2000s, Microsoft had struggled to keep up with its rivals in providing a modern smartphone operating system, falling behind Apple and Google-sponsored Android in the United States. The European Union imposed another fine of €899 million ($1.4 billion) for Microsoft’s lack of compliance with the March 2004 judgment on February 27, 2008, saying that the company charged rivals unreasonable prices for key information about its workgroup and backoffice servers. Relatively strong sales of both products helped to produce a record profit in 2007. Microsoft Office 2007, released at the same time, featured a “Ribbon” user interface which was a significant departure from its predecessors.
During the first six months of 2013, Microsoft received requests that affected between 15,000 and 15,999 accounts. Following media reports about PRISM, NSA’s massive electronic surveillance program, in May 2013, several technology companies were identified as participants, including Microsoft. The layoffs primarily affected Activision Blizzard employees, but some Xbox and ZeniMax employees were also affected. As a result, the company will record an impairment and restructuring charge of approximately $950 million, of which approximately $200 million will relate to severance payments.
On August 20, 20 Microsoft employees and their allies were arrested after refusing to disperse from a protest on Microsoft’s Redmond, Washington campus. After the disruptions at these events, Microsoft contacted the FBI in search of assistance in surveilling its pro-Palestinian employees and their allies. In May 2025, Microsoft issued an unsigned statement confirming that these services had been made available to Israel, while denying that these tools were employed during the massacre of the people of Gaza. The company has a history of antitrust battles in the U.S. and Europe, with over €2 billion in EU fines previously imposed for similar abuses. Internal Revenue Service was alleging that the company owed the U.S. $28.9 billion in past taxes, plus penalties related to mis-allocation of corporate profits over a decade.

2014: Windows 8/8.1, Xbox One, Outlook.com, and Surface devices

Criticism of Microsoft has followed various aspects of its products and business practices. Among grant recipients from the Asia-Pacific region are the Sri Lankan IT company Fortude, the Thailand-based Vulcan Coalition, and the Indonesian organization Kerjabilitas. Microsoft also supports initiatives through its AI for Accessibility grant program, providing funding to various global organizations that create technologies to enhance accessibility for individuals with disabilities. In June 2022, Microsoft published the report on Russian cyber attacks and concluded that state-backed Russian hackers “have engaged in “strategic espionage” against governments, think tanks, businesses and aid groups” in 42 countries supporting Kyiv. During the COVID-19 pandemic, Microsoft’s president, Brad Smith, announced that it had donated an initial batch of supplies, including 15,000 protection goggles, infrared thermometers, medical caps, and protective suits, to healthcare workers in Seattle, with further aid to come.

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The European Commission issued a statement of objections, alleging Microsoft’s practice since 2019 gave Teams an unfair market advantage and limited interoperability with competing software. In June 2024, Microsoft faced a potential EU fine after regulators accused it of abusing spinnaus sign up market power by bundling its Teams video-conferencing app with its Office 365 and Microsoft 365 software. People who use its products and services often end up becoming dependent on them, a process known as vendor lock-in. The company is often referred to as a “Velvet Sweatshop”, a term which originated in a 1989 Seattle Times article, and later became used to describe the company by some of Microsoft’s own employees. Historically, Microsoft has also been accused of overworking employees, in many cases, leading to burnout within just a few years of joining the company. Frequently criticized are the ease of use, robustness, and security of the company’s software.
In April the company further expressed willingness to embrace open source initiatives by announcing Azure Sphere as its own derivative of the Linux operating system. In April 2018, Microsoft released the source code for Windows File Manager under the MIT License to celebrate the program’s 20th anniversary. On January 12, Microsoft released PowerShell Core 6.0 for the macOS and Linux operating systems. In May 2016, the company announced it was laying off 1,850 workers, and taking an impairment and restructuring charge of $950 million. During the summer of 2015 the company lost $7.6 billion related to its mobile-phone business, firing 7,800 employees. To cope with the potential for an increase in demand for products and services, Microsoft opened a number of “holiday stores” across the U.S. to complement the increasing number of “bricks-and-mortar” Microsoft Stores that opened in 2012.

• Microsoft unveiled Windows 8, an operating system designed to power both personal computers and tablet computers, in Taipei in June 2011.
• Microsoft implemented a new strategy for the software industry, providing a consistent user experience across all smartphones using the Windows Phone OS.
• A Microsoft spokesperson stated that the corporation runs several programs that facilitate the sharing of such information with the U.S. government.
• On March 13, 2020, Gates announced that he is leaving the board of directors of Microsoft and Berkshire Hathaway to focus more on his philanthropic efforts.
• In July 2025, Microsoft announced another round of layoffs, cutting approximately 9,000 employees in its largest workforce reduction in over two years.
• Among grant recipients from the Asia-Pacific region are the Sri Lankan IT company Fortude, the Thailand-based Vulcan Coalition, and the Indonesian organization Kerjabilitas.

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Gates retired from his role as Chief Software Architect on June 27, 2008, a decision announced in June 2006, while retaining other positions related to the company in addition to being an advisor for the company on key projects. Increasingly present in the hardware business following Xbox, Microsoft 2006 released the Zune series of digital media players, a successor of its previous software platform Portable Media Center. Microsoft moved its headquarters from Bellevue to Redmond, Washington, on February 26, 1986, and went public with an initial public offering (IPO) at the NASDAQ exchange on March 13, with the resulting rise in stock making an estimated four billionaires and 12,000 millionaires from Microsoft employees.

On October 25, 2001, Microsoft released Windows XP, unifying the mainstream and NT lines of OS under the NT codebase. Branching out into new markets in 1996, Microsoft and General Electric’s NBC unit created a new 24/7 cable news channel, MSNBC. Backed by a high-profile marketing campaign and what The New York Times called “the splashiest, most frenzied, most expensive introduction of a computer product in the industry’s history,” Windows 95 quickly became a success. Other companies like Borland, WordPerfect, Novell, IBM and Lotus, being much slower to adapt to the new situation, would give Microsoft market dominance. With a few exceptions of new companies, like Netscape, Microsoft was the only major and established company that acted fast enough to be a part of the World Wide Web practically from the start. It shipped on July 21, 1993, with a new modular kernel and the 32-bit Win32 application programming interface (API), making it easier to port from 16-bit (MS-DOS-based) Windows.

As such, it needs subsidiaries present in whatever national markets it chooses to harvest. Its total market value was over $410B—with the stock price hitting $50.04 a share, the highest since early 2000. On July 20, 2012, Microsoft posted its first quarterly loss ever, despite earning record revenues for the quarter and fiscal year, with a net loss of $492 million due to a writedown related to the advertising company aQuantive, which had been acquired for $6.2 billion back in 2007. Though the company had subsequent increases in dividend payouts, the price of Microsoft’s stock remained steady for years. When Microsoft went public and launched its initial public offering (IPO) in 1986, the opening stock price was $21; after the trading day, the price closed at $27.75.