Microsoft Office debuted on the Macintosh in 1989

Microsoft Excel is used by over a billion people worldwide

The upstart computer software company Microsoft launched its columns-and-rows spreadsheet program in 1985, enabling users to sort information, create charts, and perform calculations with minimal friction. It would be coupled with Microsoft Word and PowerPoint in 1990 as part of the Microsoft Office for Windows.

Microsoft's initial successes came from promising products that did not yet exist

In discussions with teams responsible for MITS's Altair 8800 and IBM's PC, Bill Gates and Paul Allen claimed to have created ready-to-use software. Code for the former was not completed until Paul Allen's flight to MITS' headquarters, where the software was successfully tested for the first time.

Slick interfaces and bundling helped solidify Excel as the corporate planning tool

First initiated in the 1980s, the Excel spreadsheet built off predecessors like Lotus and VisiCalc, leveraging a novel graphic interface to entice new customers and packaging the program with other Microsoft Office products. Forty years later, the tool faces challenges from Google and AI, but retains devoted users.

Microsoft paid $50k for the foundation of the OS they licensed to IBM

Rather than write MS-DOS from scratch, Bill Gates purchased the full rights to QDOS—Quick and Dirty Operating System—from Seattle Computer Products only weeks before IBM's PC hit the market. The IBM deal allowed Microsoft to license its OS to other manufacturers, ensuring it was not dependent on IBM's long-term success.

The Macintosh popularized GUI and mouse navigation for personal computing

A graphical user interface that utilized windows, icons, and pull-down menus, rather than text-based commands, contributed to the device's success after its January 1984 launch. Its original sound system—capable of playing four voices—was developed after non-technical staff suggested the machine should play music.

Explore a visual history of the Windows operating system

Named after the windows that separate different applications, the operating system’s first version came preinstalled with Calculator, Paint, and Reversi. There was no Windows 9 to avoid compatibility issues with legacy code searching for Windows 95 and 98 files via a “windows9” query.

Explore an emulated demo of Windows 95 Microsoft Plus to try your hand at Solitaire, 3D Pinball Space Cadet, and other classic Windows applications.

VisiCalc was the first electronic spreadsheet, released with Apple II's personal computer in 1979

Before 1979, managers were essentially information processors working off paper ledgers. Scenario modeling was slow, manual, and expensive. Companies were understood as organizations that built things with financial analysis as secondary. VisiCalc made calculation so cheap that you could work iteratively, setting out forecasts and tweaking assumptions until you got the answer you wanted. Oks argues It created a new way of seeing the world.

Office Assistants, including Clippy, were digitally edited with Macintosh computers

The animated characters served as intelligent user interfaces for Microsoft Office and were sketched by hand before being scanned. Clippy was selected as the default assistant after social psychologists at Stanford University identified it as the most trustworthy, likable, and humorous character based on public testing.

Microsoft's Flight Simulator is one of history's longest-running software products

The program originated from a master’s thesis project on generating three-dimensional graphics, which was later combined with flight equations. The first version ran on the Apple II in early 1980, but its creator licensed the program to Microsoft two years later,

Apple, the tech giant renowned for products like the iPhone, iPad, and Mac, started out in a garage in 1976.

From 1986 to 2024, Microsoft has acquired at least 277 companies

Some of these acquisitions helped the company expand into enterprise software and services, including Visio, which integrated diagramming software into Microsoft Office, and Hotmail, which provided an email platform to customers. Recent acquisitions of Mojang and Activision Blizzard underscore an increasing emphasis on the video game industry.

View an illustrated history of Microsoft Solitaire, first released as part of the Windows 3.0 operating system in 1990 to help users get familiar with using a mouse.

Unsatisfied with the designs provided by an Apple engineer, Steve Jobs designed the original Mac calculator in about 10 minutes.

Watch Bill Gates trigger the Blue Screen of Death during a Windows 98 demo

During a live Windows 98 demo at a computer trade show, Bill Gates watched as the system crashed with the infamous “Blue Screen of Death”—a critical Windows error screen signaling a system failure—midway through the presentation.

Explore an online gallery highlighting the importance of graphical user interfaces

Before the Macintosh, computers were primarily used in offices and required users to type complex commands to perform tasks. Apple followed the device with the LaserWriter printer, bringing graphic production to at-home artists and designers.

Bill Gates and Paul Allen were childhood friends before founding Microsoft

The two bonded over a teletype terminal at their school, which required a $40 hourly fee for computing time. They were banned from using the device after exploiting a bug that allowed them to bypass the fee, only to be later offered free computing time for finding more bugs.

By 2005, Microsoft may have made as many as 12,000 millionaires

Stock options given to early employees also created four billionaires, including Bill Gates, who became the then-youngest self-made billionaire at the age of 31. As of 2025, Microsoft employs about 228,000 employees, including more than 50,000 at its headquarters in Redmond, Washington.

Mac settings have evolved from minimalism to chaotic clutter

The 1984 Mac control panel featured wordless icons, sliders, and desktop pattern editors, highlighting early experimentation in graphical user interface design. This software charm and personality gradually disappeared as Apple enforced visual and functional consistency over time.

Some viruses evade detection by altering their own code or hiding in Microsoft Office

Computer viruses are often classified by how they spread or which files they infect, with the oldest ones—boot sector viruses—targeting systems that are active when a computer is turned on. Macros—custom codes in office productivity programs authored to automate tasks—spawned their own class of viruses.

Apple’s '1984' ad aired once during the game and permanently shaped their advertising

During Super Bowl XVIII, Apple aired its dystopian “1984” commercial once to a mass audience, introducing the Macintosh and positioning Apple as a challenger to IBM’s dominance in personal computing.

Steve Jobs founded NeXT while on a break from Apple

While Steve Jobs was on a hiatus from working at Apple, he founded a company called NeXT and helped lead the release of its operating system NeXTSTEP. The operating system was used to create the first app store of sorts, as well as the first web browser.

Explore a breakdown of 18 influential Apple products

The launch of the MacBook Air in 2008 popularized the ultrabook category of laptops, while the iPad (2010) made large-screen mobile devices a technological norm. The iPhoneX (2017) introduced the notch, which has become a staple at the top of many smartphone displays.

Microsoft’s 'Blue Screen of Death' was a symbol of computer crashes for over 30 years

In 2025, the symbol was replaced with a "Black Screen of Death" for improved readability and alignment with Windows 11's modern design. It became a pop culture symbol after appearing in Bill Gates' live tech demo of Windows 98.

Upgrade cost and compatibility issues have kept Microsoft's legacy systems alive

As of 2025, Windows XP and Windows NT continue to power ATMs and transit systems, while Deutsche Bahn's trains use Windows 3.11 for display systems. Microsoft's continued support for these operating systems helps it maintain its dominance in the business sector.

Watch Steve Jobs unveil the first iPhone in 2007

During his Macworld San Francisco 2007 keynote address, Jobs claimed Apple had reinvented the phone by integrating phone capabilities with internet access and music playback from its iPod product line. The multitouch display eliminated the need for a stylus or keyboard hardware typically found on other smartphones.

The first smartwatch was made by Microsoft in 1994

Coproduced by Timex, the Timex DataLink 150 featured a small LCD screen and could transfer data to and from a Windows PC. Like the Windows XP Tablet that launched in 2002, the smartwatch did not sell well, and both products are considered to have been released before their time.

Watch Steve Jobs introduce the first iPad

Apple's cofounder debuted the first iPad in 2010, framing it as a third category of personal electronics between the laptop and the smartphone. Steve Jobs showed off how thin the device was (for the time) and explained how it was better than smartphones and laptops for browsing the web.

In 1984, Apple ran an award-winning Super Bowl commercial

Directed by Ridley Scott and a winner at the Cannes Lions International Advertising Festival, the clip features a heroine flinging a sledgehammer at a Big Brother-style figure delivering a speech. As the screen shatters, a voiceover proclaims that Apple's release of the Macintosh will ensure, "1984 won't be like '1984.'"

The moment Bill Gates and the Rock announced the original Xbox at CES 2001

At CES 2001, Bill Gates and Dwayne “The Rock” Johnson took the stage to unveil the original Xbox. This memorable moment marked Microsoft’s entry into gaming and set the tone for its console brand.

Microsoft developed the Xbox to compete with Sony's all-in-one entertainment hardware

The video game console originated as a side project between four DirectX developers, from whom the console's original name, "DirectX Box," derives. These developers sought to counter Sony's PlayStation product line, which they saw as capable of capturing all entertainment markets by playing games, CDs, and DVDs.

Steve Jobs saved a nearly bankrupt Apple

Apple nearly went bankrupt in 1997, when the tech company had only three months of operational cash left. Apple's board ousted cofounder Steve Jobs in 1985, but he was brought back as interim CEO to revive the company when Apple purchased Jobs' company, NeXT.

Charting the most popular email providers since 1997

The email is the most stable feature of the Internet; a rare digital product that changed little over the decades. Nonetheless, the major email service providers have vastly shifted. Watch this time-based chart which shows the number of users of the top 10 email providers since 1997, and see how totally nonexistent Gmail skyrockets to dominance by today.

As of 2024, server products and cloud services make up 40% of Microsoft's revenue

These products generated $97.7B in the 2023-24 fiscal year, followed by office products and cloud services, which accounted for $54.9B during the same period. The fastest-growing revenue source was gaming at 39%, driven by sales of Xbox and first-party software.

Microsoft was the most popular stock in hedge fund portfolios as of Q1 2024

874 hedge funds held Microsoft stock at the time. This infographic shows more of the most popular stocks in hedge fund portfolios.

Steve Jobs introduced Apple’s 'Think Different' marketing campaign

Jobs introduced the now-iconic “Think Different” marketing campaign. It won numerous awards, symbolized Apple’s new era under Jobs, and showed off his understanding of branding.

Apple's first backer recruited his own CEO to help manage the company

Wanting Steve Jobs and Steve Wozniak to focus on developing Apple computers, Mike Markkula brought in his colleague from Fairchild Semiconductor, Michael Scott. As employee number five, Scott helped professionalize the fledgling computer company and getting manufacturing off the ground. (Some users may experience a paywall.)

Personal computers became more common in the late 1970s, making working from home more viable

As the internet and email became more popular in the 1990s, more infrastructure that would eventually support remote work was created. But the practice was still relatively uncommon until the COVID-19 pandemic, when white-collar workers first took to working from home en masse.

See Don Valentine's original 1977 memo for Sequoia's investment into Apple Computer

In honor of Apple's 50-year anniversary, Sequoia Capital recently posted a tweet on X (the social media platform formerly known as Twitter) with a photo of the original 1977 memo for Sequoia's investment in Apple.

Introduced in 1981 for $1,795, the Osborne 1 was the world's first commercially successful portable laptop, despite weighing 24.5 pounds and having no battery.

Eighty-four different pieces were composed for the Windows 95 startup sound

Brian Eno, the ambient music artist, was tasked with creating a 3.25-second jingle that was inspiring, universal, optimistic, and futuristic in tone. As with all of his compositions, Eno created the sound, which was double the requested length, on a Mac.

One of Apple's first computers sold for $375K at an auction

An operational Apple I, the first model of personal computer made by Apple, sold for $375K at an auction. The machine was first sold in 1976 and has a handwritten serial number by Steve Jobs himself. The auction, provided rare insight into the beginnings of the influential tech company.

In 1999, Microsoft and Intel’s addition signaled the information tech era for the Dow

Microsoft and Intel became the first information technology firms added to the DJIA. Their inclusion marked a turning point—the digital revolution and tech began to drive the American economy.

The Melissa 'virus' helped associate pornographic sites with computer viruses

A worm-embedded document posted online enticed users to download and open it by alleging to contain passwords to paywalled explicit websites. Upon opening, the worm shared itself with 50 addresses in a user's Outlook contacts, masquerading as a friendly attachment. Its rapid spread overwhelmed email servers and caused $1.1B in damage worldwide.

The Rolling Stones were paid $3M to have 'Start Me Up' in the Windows 95 promo

The fee was part of Microsoft's $300M advertising and promotional campaign for the operating system, which featured the Start button for the first time. The company also filmed sitcom-style infomercials featuring "Friends" TV stars Jennifer Aniston and Matthew Perry.

The first computer virus was created by a USC doctoral candidate in 1983

A year after creating malware in a controlled experiment that multiplied until it took over all of a computer's memory, Fred Cohen went public with his research and its risks. He called the self-replicating software a "computer virus," a term Cohen's advisor, Leonard Adleman, coined to describe its infectious behavior. (Some readers may experience a paywall.)

Steve Wozniak invented the personal computer

Steve Wozniak's Apple I and Apple II computers launched the personal computer industry, influencing the future of consumer electronics. He was also awarded the National Medal of Technology and the Heinz Award in Technology, the Economy, and Employment because of his invention.

How Apple's GarageBand changed music

Apple's preinstalled, easy-to-use software GarageBand was first released in 2004. Since then, it's changed the way artists write and record music. The program's accessibility and ease of use have allowed beginner artists to experiment and find their voice, while major artists like Rihanna, Grimes, and Bjork have used the program to record hit singles and perform live. This article from the Red Bull Music Academy explains how the basic interface reshaped an industry.

Safely explore historic viruses and other malicious software in the Malware Museum.

Microsoft has integrated AI across its software products with Copilot

It utilizes an underlying model from OpenAI—makers of ChatGPT—to assist users in creating documents, writing code, locating files, and more across Windows, Microsoft 365, Bing search and WhatsApp on desktop and mobile devices. Copilot Voice and Vision offer accessibility features for users who prefer not to use mouse/keyboard navigation.