DisplayWrite was a word processor

Word processor

A word processor is a computer application used for the production of any sort of printable material....

 software application that IBM developed and marketed for its line of IBM PC

IBM PC

The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform. It is IBM model number 5150, and was introduced on August 12, 1981...

s. Its document files used the RFT (revisable format text) or DCA (document content architecture) filename extension

Filename extension

A filename extension is a suffix to the name of a computer file applied to indicate the encoding of its contents or usage....

, both of which were standards on IBM mainframe computers. DisplayWrite's feature set was based on the IBM Displaywriter System

IBM Displaywriter System

The IBM Displaywriter System was a dedicated microcomputer-based word processing machine that IBM's Office Products Division introduced in 1980....

, a dedicated microcomputer

Microcomputer

A microcomputer is a computer with a microprocessor as its central processing unit. They are physically small compared to mainframe and minicomputers...

-based word processing machine.

DisplayWrite/370, a much more powerful version with full graphics and WYSIWYG

WYSIWYG

WYSIWYG is an acronym for What You See Is What You Get. The term is used in computing to describe a system in which content displayed onscreen during editing appears in a form closely corresponding to its appearance when printed or displayed as a finished product...

 support, is still available for IBM zSeries mainframe computers (see IBM Displaywriter System

IBM Displaywriter System

The IBM Displaywriter System was a dedicated microcomputer-based word processing machine that IBM's Office Products Division introduced in 1980....

).