When opening a damaged Word document with Microsoft Word, you will NOT see any error messages, but several pictures in the document cannot display.
Precise Explanation:

When the corruption of the document is not severe, then Word will still be able to open it. However, if the pictures stored in the Word document are corrupt, they will not display in the opened document. In such a case, you can use our product DataNumen Word Repair to repair the Word document and recover the missing pictures.

Sample File:

Sample corrupt Word document file that will cause the error. Error3_1.docx

The file repaired with DataNumen Word Repair: Error3_1_fixed.doc