Font substitution is primarily a fallback mechanism. It ensures that a user can still read the content of a file even if their system lacks the original creative assets.
: Moving a document between macOS and Windows can trigger substitutions if the systems use different versions of common typefaces (e.g., Helvetica vs. Arial). How to Fix Font Substitution Errors Font Substitution Will Occur Con
In the world of digital publishing and graphic design, the phrase is a common warning that signals a potential breakdown in visual consistency. This process happens when a computer or application cannot find the exact font file used in a document and automatically selects a replacement. While this keeps the text readable, it can drastically alter the layout, tone, and professional quality of your design. Font substitution is primarily a fallback mechanism
Font Substitution Will Occur: Understanding and Fixing Common Typography Errors Arial)