... I think you would find very few companies who have ready and full access to their history. ...
If I look into my own company - most historical material we have is because no one bothered to clear it. As soon new cupboard space was needed or offices were moved all historical documents go straight into the bin.
It takes up room and it costs too much time and effort ( = money) to store it adequately.
It's a pity - but it's the truth.
There's no social nor historical aspect within companies anymore. It's all about money and how to make it.
That's it.
clear
clean
and simple ...
And a great loss too.
But that's perhaps just me.
Bogro