It isn't. But in many/most circumstances one is not allowed to just run whatever software they want on a work machine. Those days are long gone. Start runnin

It isn't. But in many/most circumstances one is not allowed to just run whatever software they want on a work machine. Those days are long gone. Start running your own software in a secure/regulated environment and you will be detected and locked out. So while Excel isn't ever the best tool, for many of us it is the only tool available.