Describes the cause and action for error messages.
Error Message(English)：
2016 unable to break external links
Why can't I kill the Excel External Links? - YouTube
https://www.youtube.com/watch?v=79PMw5gpRZY
https://www.youtube.com/watch?v=79PMw5gpRZY
Force external link in Excel to break if the file can't be found ...
https://superuser.com/questions/915270/force-external-link-in-excel-to-break-if-the-file-cant-be-fou・・・
Cannot break excel link to broken connection
https://superuser.com/questions/1214777/cannot-break-excel-link-to-broken-connection
Removing phantom external links in Excel
https://superuser.com/questions/938449/removing-phantom-external-links-in-excel
How to find broken links in Excel that can't be ...
https://superuser.com/questions/719931/how-to-find-broken-links-in-excel-that-cant-be-broken-with-br・・・
microsoft office - Break link with external ...
https://superuser.com/questions/414786/break-link-with-external-document-ms-word
Break a link to an external reference in Excel - Excel - Office Support
https://support.office.com/en-ie/article/break-a-link-to-an-external-reference-in-excel-f1ca8b08-4f2・・・
Break Links in Excel - All of Them (Even When Excel Doesn't ...
https://professor-excel.com/break-links-in-excel-all-of-them/