: Because "F1" is just a placeholder name, it could represent Arial in one document and Tahoma in another. There is no "official" CIDFont F1 you can download to fix all documents. Review of "Free Download" Sites
: Often identifies as Arial (Bold) or Times New Roman (Regular) . CID font F1 F2 F3 F4 F5 F6 F7 Fonts Free Download
: Often identifies as Arial (Regular) or Times New Roman (Bold) . : Because "F1" is just a placeholder name,
Here is a blog post designed to help users understand and fix this frustrating issue. CID font F1 F2 F3 F4 F5 F6 F7 Fonts Free Download