If you opened the file in Adobe Illustrator and the text is blocked out: Highlight the text with the missing "CIDFont". Manually change the font to common default typefaces.
Change the font to a standard installed font, such as or Helvetica . Summary Table: What to Do Actionability Missing CIDFont+F1 Turn text into paths/outlines Object > Flatten Transparency > Outline Text Cannot edit text Re-export PDF in Preview/Acrobat File > Export as PDF Text is invisible Substitute with standard fonts Use Adobe font replacement tool Why You Should Not Search for a Download
If your computer lacks the necessary Asian language packs or CID font registries, the system fails to render the text. This results in the infamous missing font error or completely garbled text. How to Make CID Fonts Work (Without Fake Downloads) cid font f1 f2 f3 f4 f5 f6 f7 fonts free download work
CID (Character Identifier) fonts are specialized PostScript fonts designed to handle languages with massive character sets, such as Chinese, Japanese, Korean (CJK), and highly complex technical layouts.
Before you can find the right font, you need to identify what font the PDF was originally created with. Here are effective methods to do this: If you opened the file in Adobe Illustrator
CID Font Name: Fxxxx
To fix a CIDFont error, you do not need the "CIDFont+F1" font itself; you need the original font that was used to create the PDF, or you need to re-map the PDF to use a different font. How to Resolve CIDFont F1-F7 Errors (Working Solutions) Summary Table: What to Do Actionability Missing CIDFont+F1
Here's a step-by-step guide to downloading CID fonts F1, F2, F3, F4, F5, F6, and F7 from Adobe's font website: