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Thank you very much for giving us an opportunity to help you.Can we please do a test greate a new Word 2013 file and a Excel 2013 file, and insert the Excel file as object in Word to test and see if it works. Waiting your feedback
Thanks for the feedback..Have you tried repairing the Office installation (via Programs & Features > Microsoft Office > Change in the Windows Control Panel)?
And you have disable add-ins in both Excel and Word.
Click File menu, click Options > Add-in, click Go button in the Manage: Com-in Add.
Check if there is any add-in; clear the checkbox to disable it.
Thanks for the feedback. I will Opted Out, opening the case to another Expert to see if we can help to fix this for you.