Auto open docx and xlsx files in MS Office 2011 after it download in Safari (com.apple.DownloadAssessment.plist not work)

Check "Open safe files" in Safari and define docx and xlsx extensions in ~/Library/Preferences/com.apple.DownloadAssessment.plist not work. Old doc and xls files was auto opened successfully...

Content of .plist file:

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

<plist version="1.0">

<dict>

<key>LSRiskCategorySafe</key>

<dict>

<key>LSRiskCategoryExtensions</key>

<array>

<string>doc</string>

<string>docx</string>

<string>xls</string>

<string>xlsx</string>

<string>ppt</string>

<string>pptx</string>

</array>

</dict>

</dict>

</plist>