FullWrite

FullWrite Professional was a word processor application for the Apple Macintosh, released in late 1988.

File Identification
FullWrite version 2 has Type  and Creator

FullWrite version 1 has Type  and Creator

The last 5 bytes of each file are hex values 01 46 57 52 54</code which is ASCII " FWRT"

Links

 * FullWrite_Professional : Wikipedia
 * the Gryphel Project