AT&T's 1996 browser deal: a CIO lesson in default power

Thirty years ago this month, AT&T handed Microsoft a weapon that helped reshape the browser wars: the default slot. On July 25, 1996, AT&T announced that Internet Explorer 3 would ship as the default browser for its new WorldNet internet service. Netscape Navigator held 87% of the market at the time. Within eighteen months, Microsoft claimed its corporate browser usage had tripled. The deal was not the only factor in Internet Explorer's rise, but it demonstrated a principle that still governs enterprise software: being the default is worth more than being better.

What the AT&T-Microsoft deal actually looked like

AT&T launched WorldNet in March 1996 to compete with America Online and CompuServe. The pitch was simple: real internet access at $5 per month, half of AOL's $9.95. No walled garden, no proprietary content portals. Just the open web.

The service needed a browser. Netscape Navigator was the obvious choice. It dominated the market. But Microsoft wanted in, and it was willing to pay.

Tom Evslin, then vice president for AT&T WorldNet Service, told The Register the deal came down to price. AT&T paid per copy activated. Microsoft, Evslin recalled, "pretty much gave its browser away." Netscape remained available as an option, but IE secured the valuable default position. Under the agreement, AT&T WorldNet software came pre-loaded on Windows 95 PCs shipped by manufacturers, with Internet Explorer 3 as the default.

“Users now will find that everything they need to sign up for AT&T WorldNet Service is pre-loaded on their new computers, along with the Microsoft Internet Explorer 3.0 browser.”

— Tom Evslin, VP for AT&T WorldNet Service, July 1996

WorldNet grew fast. Within six months it had 850,000 subscribers and became, by at least one contemporary measure, the world's largest ISP. Those users opened their browsers and found Internet Explorer staring back at them.

Why defaults beat features

Netscape Navigator was better known. It had features IE lacked. It had the market. None of that mattered as much as being pre-installed.

The psychology is straightforward. Most users do not change defaults. They use what is already there. A 1996 home user signing up for WorldNet wanted to check email and browse the web. They did not want to evaluate browser rendering engines. IE was there. IE got used.

Microsoft understood this better than anyone. The company did not need to win a feature comparison. It needed to control the starting point. The AT&T deal gave it that control over a rapidly growing user base just as consumers were moving beyond AOL's walled garden.

By January 1997, Microsoft claimed Internet Explorer's corporate usage had more than tripled since August. Netscape's share was declining. The browser that had owned 87% of the market was watching its lead evaporate.

The antitrust reckoning

Microsoft's browser-bundling strategy eventually drew antitrust action on both sides of the Atlantic. The U.S. Department of Justice filed suit in 1998. The EU forced Microsoft to offer a browser choice screen in 2010, requiring European Windows users to actively select their preferred browser rather than accepting IE as the default.

WorldNet, for its part, faded. The service shut down in 2010, a footnote in telecom history. Internet Explorer dominated the browser market for more than a decade before Chrome began eroding its share in the late 2000s. Microsoft finally killed IE in 2022.

The legal and market outcomes were mixed. But the underlying lesson survived: defaults shape adoption more than quality.

What CIOs should take from 1996

The browser wars are over. The lessons are not.

Defaults still govern enterprise behavior. When a cloud provider bundles its own observability tool, most teams use it. When a SaaS platform ships with a built-in integration layer, most customers skip the evaluation of standalone options. The path of least resistance is the path most taken.

This creates two strategic questions for IT leaders. First: when you control the default, are you using it? If your organization deploys standard images, standard tooling, or standard vendor stacks, you are shaping behavior whether you intend to or not. Second: when you accept someone else's default, do you know what you are giving up? The AT&T deal was not secret. It was announced publicly. But most WorldNet users never knew they were part of a distribution agreement. They just used what was there.

Three decades later, the same principle applies. The software that ships first, the tool that appears in the menu, the vendor that gets bundled into the contract. These decisions compound. They shape how teams work, what skills they build, and how hard it is to change course later.

The price Microsoft paid

Microsoft's willingness to give IE away was not charity. It was market capture. The company lost money on every browser copy to gain distribution. It accepted regulatory scrutiny, legal costs, and a decade of antitrust oversight. The bet paid off. IE dominated. Windows remained the center of personal computing. Microsoft's position in enterprise IT solidified.

That playbook has been copied repeatedly since. Google offers Chrome for free. Apple bundles Safari. Slack and Teams compete for default workspace status. The details change. The strategy does not.

For IT decision-makers, the question is whether you are the beneficiary of these dynamics or the one being captured by them. The answer shapes your flexibility, your costs, and your leverage with vendors for years to come.

Source: www.theregister.com