"CIDFont F1" is often a generic reference to a base CID font (like HeiseiMin-W3 or a placeholder). If you mean a specific font file named F1 , please check the filename. The post below covers how to install general CID-keyed fonts on macOS. How to Download & Install CIDFont F1 Font on Mac (Free) If you’re working with legacy PDFs, Adobe software, or Japanese/Chinese documents, you might have encountered an error like: "Cannot find or create the font 'CIDFont+F1'". This usually means a CID-keyed font is missing.
Need help mapping the exact F1 font? Leave a comment with the app/PDF error message. cidfont f1 font free download for mac