The integration with Windows, however, was subject to numerous packaging criticisms (see United States v. This option was no longer available with the installers for later versions of Internet Explorer but was not removed from the system if already installed.
Internet Explorer 4 introduced support for Group Policy, allowing companies to configure and lock down many aspects of the browser's configuration. Internet Mail and News was replaced with Outlook Express, and Microsoft Chat and an improved NetMeeting were also included. This version also was included with Windows 98. Version 4.5 (only for Mac) dropped support for 68k Macs, but offered new features such as easier 128-bit encryption. The last non-Mac version was 4.0 Service Pack 2. Internet Explorer version 4.0 for Macintosh Uninstalling IE4 became the subject of concern to some users and was a point of contention in later lawsuits (see Removal of Internet Explorer and United States v. Main article: Internet Explorer for Mac OS X On January 6, 1998, at the Macworld Expo in San Francisco, Microsoft announced the release of the final version of Internet Explorer version 4.0 for Macintosh.
