Article ID: 197311
This article describes how to install and use Compatibility mode with Internet Explorer 5 or 5.5. You can use Compatibility mode to run an Internet Explorer 4-compatible browser "side-by-side" with Internet Explorer 5 or 5.5.
The following topics are discussed:
Purpose of Compatibility ModeSome Web content can be affected by changes to the HTML parsing engine or object (scripting) model incorporated into new versions of Internet Explorer. For this reason, Web page authors or developers need to test their content with each version of Internet Explorer for which their content is designed. Prior to Internet Explorer 5, testing Web site compatibility with various versions of Internet Explorer required multiple computers or dual-boot configurations. With Compatibility mode, you can run an Internet Explorer 4-compatible browser side-by-side with Internet Explorer 5 or 5.5. Compatibility mode is designed for testing HTML parsing and script issues and is not intended to be used as a primary Web browser.
How to Download or Install Compatibility ModeTo download or install Compatibility mode, use the following steps:
(https://support.microsoft.com/kb/193934/ )How to uninstall Internet Explorer 5 Beta
How to Use Compatibility ModeTo use Internet Explorer 4 to browse the Internet after installing Internet Explorer 5 or 5.5, click Start, point to Programs, point to Internet Explorer, and then click "Previous Internet Explorer Ver. 4."
NOTE: When you install Internet Explorer 5 or 5.5 with the Compatibility option, Internet Explorer 5 or 5.5 and Internet Explorer 4 share the same Internet options. You may not be able to change all settings for the browser while using this mode. When you are using Compatibility mode, you should change Internet options through Control Panel, not by clicking Internet Options on the View menu in Internet Explorer.
How to Identify Compatibility ModeTo determine if you are using the Compatibility-mode browser, use the following steps:
Mozilla/4.0 (compatible; MSIE 4.01; Windows 98; compat)
Article ID: 197311 - Last Review: June 22, 2014 - Revision: 6.0
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.