It would appear the two original images have been lost from your attachment and have been replaced by a single blank square. That said, you may nevertheless be able to recover some of the original images for your document. What you can do is change the file's extension from docx to zip, then open the zip archive (which is all docx files are). Any images will be stored in the zip archive's Word/Media folder. You should be able to see fairly quickly which ones have any meaningful content. Extract those, then reinsert them into the document. Otherwise, you will need to find a backup of the document that does contain the images and copy them from there into the current version.

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Cheers,
Paul Edstein
[Fmr MS MVP - Word]

How do I do that?