A pen and paper!
typewriter... for office use i guess then for communication they use snailmail, pagers, telephone, telegram
No. ENIAC was invented long before Microsoft was founded.
The first computer keyboard was an adaptation of a Remington electric typewriter in the early 1950s and was used on the UNIVAC I computer. The actual invention probably happened sometime during WW2 on either the British Colossus project or the American ENIAC project but these keyboard ideas did not get built. Colossus was connected to a Baudot teletype that the codebreaker could use to collect cypher statistics on and guide the analysis of the message with, but the teletype keyboard was not used as we would use a computer keyboard (i.e. for entering text and/or commands).
David Bushnell invented the first war submarine
People could use it to reap crops faster.
The typewriter was invented by Christopher Sholes in 1868, so I imagine not too long after that people began to use them.
They didn't. You can't use something BEFORE it is invented.
It depends on what you mean by typewriter. The first primitive typewriter was invented in 1575, so its inventor, Francesco Rampazzetto, was the first to use that one. There were many, many other prototypes after that. The first commercially successful typewriter was invented in 1865 by Reverend Rasmus Malling-Hansen of Denmark.
He invented the typewriter and QWERTY keyboard we use today
benches
pickaxes
bikes
Buttons.
carriages
A slightly odd question! People obviously existed and work got done before the typewriter. Now that the vast majority of people who deal with text use computers, typewriters have largely fallen into disuse. So if your question is actually "is the typewriter necessary for modern business?" the answer is no.
horses or their feet.
wall sockets