Yes, a good well maintained archive can be a useful tool, of you are actually using it. But OP was asking for help, and not explaining much about the purpose and usage of their collected data. So I assume the most common case here, and say OP is simply a hoarder.

Collecting is a disease, and a very common around here. People take anything that seems mildly interesting with the mindset that it might have some worth at some later point, to never see it again and let it rot in an unmaintainable mountain of datawaste. OP seems to be in that situation, so the first important step is to reflect on the data, their purpose, their benefit and their harm for you. Then you can start with the organizing and maintaining.