Pre-release versions of file formats new to Office Products must be blocked.

From Microsoft Word 2010

Part of DTOO210 - Block opening of pre-release versions

SV-33450r1_rule Pre-release versions of file formats new to Office Products must be blocked.

Vulnerability discussion

This policy setting controls whether users with the Microsoft Office Compatibility Pack for Word 2010 File Formats installed can open Office Open XML files saved with pre-release versions of Word 2010. Word Open XML files usually have the following extensions: .docx, .docm, .dotx, .dotm, .xml.

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Set the policy value for User Configuration -> Administrative Templates -> Microsoft Office 2010 -> Office 2010 Converters “Block opening of pre-release versions of file formats new to Word 2010 through the Compatibility Pack for Office 2010 and Word 2010 Open XML/Word 97-2003 Format Converter” to “Enabled”.

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