[ufo]

The problem isn't that they charge for it. It is that the MS Office suites ais proprietary software and uses proprietary file formats that are incompatible with anything else. Microsoft has used this to muscle out the competition and monopolize office software.

[wiz21c]

and nothing proves that this strtegy was necessary to their success. What would have happened if they had used open file formats ?

[ufo]

Microsoft's Embrace, Extend & Extinguish strategy was instrumental in killing off their competition and achieving a monopoly position.

https://en.wikipedia.org/wiki/Embrace%2C_extend%2C_and_extin...