Text displaying as empty squares, rectangles, or question marks (tofu blocks). Text overlapping or formatting improperly. Total inability to open or print the document.
: Traditional font formats (like early TrueType or PostScript) index characters using a single byte, limiting a font file to 256 glyphs. While this is plenty for the English alphabet, numbers, and basic punctuation, it completely fails for character-rich languages or massive icon registries. CID font f2 normal Fonts Free Download - OnlineWebFonts.COM
You import an EPS or PDF file into Adobe Illustrator or CorelDRAW, and the software requests the missing F2 font to make the text editable. Text displaying as empty squares, rectangles, or question
If you are seeing this because a document isn't displaying correctly: Text displaying as empty squares
CAD Projects: Engineering drawings often use specific f2 or f3 font designations.