Office File Validation detected a problem while trying to open this file. Opening it may be dangerous

When you open Microsoft Office 97-2003 binary file (such as .doc) the file is compared to a binary schema. If the file fails this validation, you are notified that the document could be considered to be compromised. In Office 2003 and in the 2007 Office system, you are prompted about the file status and can decide to cancel opening the file or to continue to open the file.

Office File Validation detected a problem while trying to open this file. Opening it may be dangerous.

Resolution:

Resolution is very simple and Million thanks to Microsoft’s Office Product team for publishing this fix: http://support.microsoft.com/kb/2501584

This fix is available for:

Disable Edit in Protected View: Excel 2010, PowerPoint 2010, Word 2010.

Enable Edit in Protected View: Excel 2010, PowerPoint 2010, Word 2010.

For Office 2003 and 2007 Office system

Disable the opening of documents

Excel 2003 and 2007, Word 2003 and 2007, PowerPoint 2003 and 2007

Enable the editing of documents

Excel 2003 and 2007, Word 2003 and 2007, PowerPoint 2003 and 2007