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The History Of Internet Explorer

Here is a history of the Internet Explorer versions that have been released. We have posted it to help those of you out who are wondering what version of Internet Explorer you are using.  We will update it each time a new release of Internet Explorer is made publicly available.

Version Number Internet Explorer Product
4.40.308 Internet Explorer 1.0 (Plus!)
4.40.520 Internet Explorer 2.0
4.70.1155 Internet Explorer 3.0
4.70.1158 Internet Explorer 3.0 (OSR2)
4.70.1215 Internet Explorer 3.01
4.70.1300 Internet Explorer 3.02
4.71.544 Internet Explorer 4.0 Platform Preview 1.0 (PP1)
4.71.1008.3 Internet Explorer 4.0 Platform Preview 2.0 (PP2)
4.71.1712.6 Internet Explorer 4.0
4.72.2106.8 Internet Explorer 4.01
4.72.3110.8 Internet Explorer 4.01 Service Pack 1 (SP1)
4.72.3612.1713 Internet Explorer 4.01 Service Pack 2 (SP2)
5.00.0518.10 Internet Explorer 5 Developer Preview (Beta 1)
5.00.0910.1309 Internet Explorer 5 Beta (Beta 2)
5.00.2014.0216 Internet Explorer 5
5.00.2314.1003 Internet Explorer 5a (and Office 2000)
5.00.2614.3500 Internet Explorer 5 Windows 98 Second Edition
5.00.2516.1900 Internet Explorer 5Windows 2000 Beta 3
5.00.2919.800 Internet Explorer 5 Windows 2000 RC1
5.00.2919.3800 Internet Explorer 5 Windows 2000 RC2
5.00.2919.6307 Internet Explorer 5.01
5.50.3825.1300 Internet Explorer 5.5 Platform Preview

Note that all versions of Internet Explorer 5 customized with the Internet Explorer Administration Kit (IEAK) include one of the following strings after the version number when you click About on the Help menu:

IC = Internet Content Provider
IS = Internet Service Provider
CO = Corporate Administrator

 

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