Microsoft Internet Explorer for Mac

Microsoft Internet Explorer for Mac. It was a proprietary web browser developed by Microsoft for the Apple Macintosh line of computers. The browser was a central component of the 1997 agreement between Microsoft and Apple Inc., which included a five-year commitment to develop the software. Its development and eventual discontinuation significantly influenced the early Browser Wars and the competitive landscape of internet software on the Mac platform.

History and development

The genesis of the browser stemmed from the historic 1997 agreement brokered between Steve Jobs and Bill Gates, a deal that involved a $150 million investment in Apple Inc. and settled ongoing patent litigation. A key stipulation was that Microsoft would develop and release a version of its Internet Explorer for the Mac OS for at least five years, designating it as the default browser. Initial versions were based on code from the Spyglass, Inc. Mosaic browser, similar to early Windows versions. The development team, operating somewhat autonomously within Microsoft, later created a new rendering engine named Tasman for version 5, which aimed for superior compliance with emerging W3C standards compared to its Windows counterpart. This period coincided with intense competition during the Browser Wars, primarily against Netscape Navigator.

Features and versions

The first major release, Internet Explorer 2.0 for Mac, launched in 1996, provided basic functionality for the System 7 operating system. Version 3.0, released in 1997, introduced support for CSS and ActiveX controls, aligning it more closely with features found in the Windows 95 version. The most significant technical advancement came with Internet Explorer 5 for Macintosh in 2000, which debuted the new Tasman layout engine. This engine offered notably better support for HTML 4.0, CSS Level 1, and DOM standards than Trident, the engine used in Internet Explorer for Windows. Subsequent versions, including 5.1 and 5.2, were optimized for Mac OS 8, Mac OS 9, and the new macOS (then Mac OS X), with the final version, 5.2.3, released in June 2003.

Reception and legacy

Upon its release as the default browser, it was generally well-received by users of the Mac platform for its integration and performance improvements over earlier options. The Tasman engine in version 5 was particularly praised by web developers and standards advocates for its superior compliance with W3C recommendations compared to the Trident engine, earning recognition from the Web Standards Project. However, its association with Microsoft and its role in the Browser Wars made it a symbol of the contentious relationship between the two technology giants. Its legacy is complex; while it provided a crucial, competitive browser for Macintosh users during a formative internet period, it also cemented Microsoft's presence on a rival platform as part of a broader corporate détente.

Discontinuation and impact

Microsoft announced the end of development for new versions in 2003, and mainstream support ceased in 2005, effectively concluding its commitment from the 1997 agreement. The official discontinuation in January 2006 left Mac OS X users without an updated Microsoft browser, coinciding with the rise of Apple's own Safari, which had been introduced in 2003. This shift had a direct impact on the Browser Wars, allowing Safari and later Mozilla Firefox to become dominant on the Mac platform. The void also underscored the diverging paths of Microsoft and Apple Inc. in software strategy, influencing subsequent competitive dynamics in areas like Microsoft Office for Mac and cloud services.

Category:Web browsers Category:MacOS software Category:Microsoft software Category:Discontinued software