Download [top] Font Substitution Will Occur Continue

Decoding the "Font Substitution Will Occur" Message Have you ever opened a document only to be greeted by the cryptic warning: "Download Font Substitution Will Occur. Continue?"

Developers: For web and app contexts:

If you are a frequent AutoCAD user, you’ve likely encountered the pesky pop-up: "Font substitution will occur. Continue?" This message usually appears when you open a drawing created by someone else or on a different workstation. Download Font Substitution Will Occur Continue

Windows: Right-click font file > Install.
macOS: Double-click font file > Install Font.

What to expect if you continue