DTOO119 - Excel - Configuration for file validation must be enforced.

Information

Office Binary Documents (97-2003) are checked to see if they conform against the file format schema before they are opened.

Solution

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security 'Turn off file validation' to 'Disabled'.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Excel_2010_V1R11_STIG.zip