Files exported to word doc doesn't open in Mac Pages and Google Doc

Summary

If you exported a page to Word, the exported word file doesn't open in MAC Pages and Google Doc.

Environment

Confluence 1000.1389.0
macOS 10.12.5
Pages version 6.1.1

Steps to Reproduce

1. Go to the page and choose *** > Export to Word
2. Open the exported file in Mac Pages or Google Doc

Expected Results

Should be able to open the export word file using Mac Pages and Google Doc

Actual Results

It's throwing an error when opening the word document using Mac Pages and Google Doc

Notes

Other word documents not generated from Confluence word export does open in Mac Pages and Google Doc