Batch Processing from OTF to TTF

FontCreator - Font Editor FontCreator - Support
2
  1. No
  2. Unicode Ranges and Character Sets not properly defined
  3. Yes, it’s probably a badly created font if Arial works OK
  4. OTF and TTF are basically the same format with a different file extension. See the TrueType or OpenType discussion. TrueType Outlines and Postscript Outline fonts are different. This is an option in Export Settings.