Cid Font F1 Normal [exclusive] Direct

is not a traditional standalone typeface but an internal "virtual" font created during PDF generation to handle complex or large character sets, such as Asian (CJK) languages.

In many cases, software uses this name to represent common fonts that have been re-encoded for a PDF. Depending on the document, "CIDFont+F1" is frequently mapped to: Arial (Regular or Bold) Times New Roman Myriad Pro Technical Solutions Cid Font F1 Normal

Fix: Open the PDF in a different viewer (like Chrome or Adobe Acrobat) or ask the sender to "Embed All Fonts" and resend. is not a traditional standalone typeface but an