Wrap invisible text in MS Word
Normally Word opens in Print Layout view, which can be uncomfortable (slower editing, smaller fonts, etc).
Print Layout view is useful before printing and whenever one adjusts the layout of a document, but perhaps during normal writing draft mode is more convenient, unless one writes a few pages only.
Even if you select Draft view, the next time you open Word it still uses layout view! To change this go to Word Options > Advanced > “General”, and mark the checkbox “Allow opening a document in Draft view“.
In this view the lines of a document may flow outside the visible area of the document.
To fix this, go to Word Options > Advanced > “Show document content”, and mark the checkbox “Show text wrapped within the document window“.