words source code：
src.zip (4.8 KB)
origin doc:
关于印发陕西旅游集团有限公司系统领导干部违规插手干预工程建设记录报告制度的通知.doc.zip (108.4 KB)
converted problem:
chrome.jpg (202.2 KB)
IE.jpg (107.9 KB)
It missed square on IE 10/11 but it was ok on Chrome，please have a check.
You are right; Internet Explorer (IE) version 10 and 11 do not show Wingdings 2 00A3 Square Box Symbols in Aspose.Words generated HTML Fixed file. We have logged this problem in our issue tracking system with ID WORDSNET-21170. We will further look into the details of this problem and will keep you updated on the status of correction. We apologize for your inconvenience.
Please insert the following meta tag into HTML document:
<meta http-equiv="x-ua-compatible" content="IE=8" >
Aspose.Words cannot insert this tag and the insertion of above line should be done in the final document.