By default, Mif2Go produces RTF files with extension .rtf. You can specify a different extension.
To specify the file extension for Word:
All versions of Word support RTF input. To produce .doc or .docx files, the RTF files Mif2Go produces must be loaded in Word and then saved as the desired output; see §6.16.1 Supporting more than one version of Word.
To specify the file extension for WordPerfect:
If you are converting to WordPerfect, also specify:
; WordPerfect = Yes to override all features WP does not tolerate