Click on in the top menu and select Properties (or press Ctrl + D / Cmd + D ). Click on the Fonts tab.
Since you cannot download a "CIDFont+F1" file directly, you can try replacing them with these common equivalents to restore your document's look: : Try Arial Bold or Myriad Pro . CIDFont+F2 : Try Arial Regular or Rockwell .
If you are trying to fix a PDF, FontForge can sometimes assist in remapping CID fonts to recognizable Unicode characters. Summary Table: Dealing with CID Font Issues Error Message Best Action CIDFont+F1 Subset substitute for font 1 Substitute with Noto Sans/Adobe CJK. CIDFont+F2 Subset substitute for font 2 Substitute with Noto Sans/Adobe CJK. CIDFont+F3 Subset substitute for font 3 Re-embed in original document. Conclusion
: Usually represent other weights or styles (like Bold Italic) of the same typeface or different fonts entirely, depending on the software used to create the PDF. Why You Can't "Download" Them
