WordPerfect Works was an all-in-one integrated office productivity
package that included a word processor, spreadsheet, drawing program,
database, and a communications program. Initially it was just for
DOS, but later there was a version for Microsoft Windows.
Corporation's smaller lightweight programs. This included
LetterPerfect, a scaled down DrawPerfect, PlanPerfect, and the
WordPerfect Executive shell. The database was based around the
Mailmerge system.