Office automation software is a class of software sold initially in the 1980s. The goal of the software was to create a "Paperless Office" and allow groups of workers to share documents and files electronically. Typical packages included a word processing package, file storage, and calendar. Packages were available from a number of companies including:

• IBM
  IBM
  International Business Machines Corporation or IBM is an American multinational technology and consulting corporation headquartered in Armonk, New York, United States. IBM manufactures and sells computer hardware and software, and it offers infrastructure, hosting and consulting services in areas...
  
   - PROFS
• Data General
  Data General
  Data General was one of the first minicomputer firms from the late 1960s. Three of the four founders were former employees of Digital Equipment Corporation. Their first product, the Data General Nova, was a 16-bit minicomputer...
  
   -CEO (Data General)
  CEO (Data General)
  CEO Office software from Data General was introduced in 1981. It included word processing, e-mail, spreadsheets, business graphics and desktop accessories. The software was developed mostly in PL/I on and for the AOS and AOS/VS operating systems.CEO was considered Office Automation Software...
  
  
• Digital Equipment Corporation
  Digital Equipment Corporation
  Digital Equipment Corporation was a major American company in the computer industry and a leading vendor of computer systems, software and peripherals from the 1960s to the 1990s...
  
   - All-in-1
  ALL-IN-1
  ALL-IN-1 was an office automation product developed and sold by Digital Equipment Corporation in the 1980s. HP now maintains the current version Office Server V3.2 for OpenVMS Alpha and OpenVMS VAX systems....
  
  
• Wang Laboratories
  Wang Laboratories
  Wang Laboratories was a computer company founded in 1951 by Dr. An Wang and Dr. G. Y. Chu. The company was successively headquartered in Cambridge , Tewksbury , and finally in Lowell, Massachusetts . At its peak in the 1980s, Wang Laboratories had annual revenues of $3 billion and employed over...
  
   - Office Information System

All of these software packages only ran on hardware from the same manufacturer. Furthermore, they usually only supported proprietary file structures and networking. These factors contributed to their decline as software that could run on PC's using standard networking protocols was more attractive to users. By the 2000s most people had replaced their proprietary office automation systems with PC based products.