When I ran a simple code to open and save the document, the layout has been changed significantly and some elements disappeared.
var document = new Document(@“model.docx”);
The layout in output.docx becomes significantly different and the content control in the model file disappeared. This issue doesn’t happen when opening&saving the document manually using Ms Word.
I’ve attached a screenshot and test files & output files for your reference. Could you please take a look into this?