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Microsoft Edge is a web browser developed by Microsoft and included in the company's Windows 10 operating systems, replacing Internet Explorer as the default web browser on all device classes. According to developer Microsoft Edge is designed to be a lightweight web browser with a layout engine built around web standards, and Microsoft has committed itself to updating Edge to embrace new and existing standards that it does not yet support.〔(【引用サイトリンク】title=Developer Resources : Microsoft Edge Dev )〕 It lacks support for legacy technologies such as ActiveX in favour of integration with other Microsoft services, such as the digital assistant Cortana and online storage service OneDrive. It also includes annotation tools and a reading mode. It was initially developed under the codename "Project Spartan". ==Development== In December 2014, writing for ''ZDNet'', technology writer Mary Jo Foley reported that Microsoft was developing a new web browser codenamed "Spartan" for Windows 10. She claimed that "Spartan" would be treated as a new product separate from Internet Explorer, with Internet Explorer 11 retained alongside it for compatibility reasons. In early January 2015, ''The Verge'' obtained further details surrounding "Spartan" from sources close to Microsoft, including reports that it would replace Internet Explorer on both the desktop and mobile versions of Windows 10. Microsoft officially unveiled "Spartan" during a Windows 10-focused keynote on January 21, 2015. "Spartan" is marketed as a separate product from Internet Explorer; although its final name was not officially unveiled. "Spartan" was first made publicly available as the default browser of Windows 10 Technical Preview build 10049, released on March 30, 2015. The new engine used by "Spartan" was available in Windows 10 builds as part of Internet Explorer 11; Microsoft has since announced that Internet Explorer would not use the engine from "Spartan", and that the browser would be deprecated on Windows 10. On April 29, 2015, during the Build Conference keynote, it was announced that "Spartan" would officially be known as Microsoft Edge. The browser's logo and branding was designed to maintain continuity with the branding of Internet Explorer. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Microsoft Edge」の詳細全文を読む スポンサード リンク
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