Bullet points, special characters, and mathematical symbols are often tied to specific font sets. Substitution can turn these into unreadable squares (tofus) or question marks.
While it seems like a minor technical hiccup, font substitution can drastically alter the look, feel, and readability of your work. Here is everything you need to know about why this happens and how to handle it. What Does "Font Substitution Will Occur" Actually Mean? Font substitution will occur continue
An older version of Office might use fonts that are no longer "standard" in the newest subscription models. The Risks of Clicking "Continue" Font substitution will occur continue