Internet Explorer

Internet Explorer Standards Support Documentation

The Internet Explorer standards support documentation provides information about certain final-approved web standards supported by Internet Explorer.
  • Note:There are multiple files available for this download.Once you click on the "Download" button, you will be prompted to select the files you need.


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      This documentation describes how Internet Explorer implements certain final-approved web standards and how the standards in this system interact. It does not restate variations, extensions and other details that are specific for each standard. This documentation details the variations and extensions from HTML 4.01, CSS 1.0, CSS 2.1, and other final-approved web standards published by W3C (as “W3C Recommendations”), ECMA (as “Standards”), or ISO (as “International Standards”) as implemented by Internet Explorer. This documentation is intended for use in conjunction with the Microsoft standards support documents, publicly available standard specifications, network programming art, and Microsoft Windows distributed systems concepts. It assumes that the reader is either familiar with the aforementioned material or has immediate access to it.
  • Supported Operating Systems:

    Windows 7, Windows 8, Windows 8.1, Windows Server 2003, Windows Server 2008, Windows XP

      Supported Operating Systems: Windows Server 2003; Windows Vista; Windows XP Service Pack 2; Windows 7; Windows Server 2008; Windows 8; Windows 8.1. The Internet Explorer standards support documents are available in the Adobe Portable Document Format (PDF) which you can open using Adobe Reader, available at Note: For optimal readability of the PDF documents, it is recommended that they be opened and viewed by using Adobe Reader 8.0 and later. Earlier versions of Adobe Reader might not provide the same reading quality.
    • Individual PDF files should be stored in a single directory to enable links between the standards support documents. Note that if you download additional standards support documents from Microsoft, they should also be stored in the same directory to enable linking. For further release notes, please download and read the readme file. The .zip file ( in this list of files contains all of the standards support documents.

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