保存如下内容为reg文件，双击执行后，重新打开excel即可。
https://stackoverflow.com/questions/27793391/your-organizations-policies-are-preventing-us-from-completing-this-action-mic
Windows Registry Editor Version 5.00
[HKEY_CLASSES_ROOT.html]
@="htmlfile"
"Content Type"="text/html"
"PerceivedType"="text"
[HKEY_CLASSES_ROOT.htm]
@="htmlfile"
"Content Type"="text/html"
"PerceivedType"="text"
[HKEY_CLASSES_ROOT.shtm]
@="htmlfile"
"Content Type"="text/html"
"PerceivedType"="text"
[HKEY_CLASSES_ROOT.shtml]
@="htmlfile"
"Content Type"="text/html"
"PerceivedType"="text"
[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\htmlfile\shell\open\command]
@=""C:\Program Files\Internet Explorer\IEXPLORE.EXE" -nohome"\