See here: https://learn.microsoft.com/en-us/office/troubleshoot/word/custom-xml-elements-not-supported https://learn.microsoft.com/en-us/office/troubleshoot/wor

See here: https://learn.microsoft.com/en-us/office/troubleshoot/word/custom-xml-elements-not-supported https://learn.microsoft.com/en-us/office/troubleshoot/word/c...