Zoom stuck at 70% in MS Word 365

So this little ridiculous issue has been haunting me for two days until I finally got a moment to troubleshoot it.

My Word page zoom has been stuck at 70%-something the last few days, even though I had plenty of white space (or gray space) on both sides of the document.

Turns out the page view layout was setup to use “Page-to-page” instead of “Vertical”.

No matter how hard I try to zoom out, nothing happens.

Change layout to “Vertical” and the issue is resolved!

Finally… I can read the text again.