If you are trying to edit the text in Adobe Illustrator or Affinity Designer and are blocked by the missing font prompt, you will need to replace the text styling: Highlight the broken text blocks.

| Font Family | Source | Characteristics | |-------------|--------|-----------------| | / Noto Serif CJK | https://github.com/googlefonts/noto-cjk | Full Unicode CJK coverage, multiple weights (Regular, Medium, Bold, Black). | | Source Han Sans / Source Han Serif (Adobe) | https://github.com/adobe-fonts/source-han-sans | High‑quality, open‑source, many weights, widely used in design. | | IBM Plex Sans JP | https://github.com/IBM/plex | Modern sans‑serif, limited weights, good for UI. | | OpenType CJK (Open Foundry) | https://openfoundry.org/ | Various community‑contributed CJK fonts. |

Typically additional weights like Italic or Narrow variants. How to Fix the Missing Font Error

Demystifying the CIDFont F1–F4 Error: Why You Can’t Find a "Download" Link