Powerpoint was actually unique from the others in that it was an acquisition from a company called Forethought. It had a single release in 1987 before MSFT bou

Powerpoint was actually unique from the others in that it was an acquisition from a company called Forethought. It had a single release in 1987 before MSFT bought it and was for a very long time the only part of Office not built in Redmond (the purchase promised to keep the eng team in California within the then-newly created Graphics Business Unit).