A document may reference a font that is not installed on the rendering system. Examples:
It will choose a substitute font to replace the missing one, trying its best to match the weight and style, but it rarely works perfectly. Font substitution will occur continue
Windows and macOS handle fonts differently. Standard system fonts on a Mac (like Helvetica) may not exist natively on a Windows PC, forcing a substitution. A document may reference a font that is
This common notification can cause immediate concern. It means the software you are using cannot locate the exact fonts embedded or specified in your file. To display the text, the program must swap your original font choice with a default alternative. While it allows you to view the document, font substitution can completely disrupt your layout, alignment, and visual branding. Why Does Font Substitution Happen? Standard system fonts on a Mac (like Helvetica)