In Word, Shift+Enter and Enter is different. Shift+Enter is a newline while Enter is new paragraph. When the line does contain hyphen, there is high chance that the line will be strike.

Steps to reproduce:

1. in word, add few lines
2. in the same line as hypen is used, use newline (shift+enter). Example is attached: dashie.docx
3. then, import the word document to Confluence

Expected Behaviour

Confluence to detect the newline

Actual Behaviour

Newline is not detected, thus the line is striked