Why does IE save pictures from the Web in bitmap format?

Posted by Dmytro Shteflyuk on under PHP

Today I found very strange problem with Internet Explorer. I’ve generated GIF-image with PHP GD2 and sent results for client browser. In IE I’ve tried to store picture in my local file system but the only option was to save the picture as a .BMP file instead of as a native .gif file! The same problem is described in Microsoft Knowledge Base, but it does not help me.

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