You usually encounter this name when a PDF displays an error saying "CIDFont+F1 cannot be created or found." This happens because:
CID fonts solve this by using 16-bit values, allowing for up to 65,535 separate characters. The "CID" refers to the specific index number used to identify each character in a global collection. When a software program like Adobe Acrobat Microsoft Word cidfontf1 font new
The term "NewCID" is most famously used by the Japanese font foundry . They refer to their second-generation CID fonts as "New CIDフォント" (New CID Fonts). These improved fonts added two key features that their earliest versions lacked: You usually encounter this name when a PDF
A system that assigns a unique number to every glyph (character shape) in a font, rather than relying on standard names. They refer to their second-generation CID fonts as
On a Mac, opening the file in Preview and then selecting File > Export as PDF can sometimes "bake" the missing fonts into a new, usable file.
Some CID fonts are proprietary. If you are dealing with corporate documentation, you may need specific font packs installed. Conclusion
: Tech-savvy users realized that CIDFont+F1 was often just Arial Bold in disguise, while CIDFont+F2 was usually Arial Regular . By manually replacing the missing font with Arial, the story would have a happy, readable ending.