Paper, paper paper. It gets to us all.
In the event you’ve got assets enough that may support having a mineral management company look over your stuff, consider that. As part of the program, direct them to digitize all you have (with a pre agreed upon organizitaitonal structure and file naming conventions). Make sure up front that your data is 100% retrievable and portable enough that you can leave at any time. Of course, they’re going to have to make sure it’s all worth their time with some sort of minimum length contract and/or you pay them up front for the time to get it all organized, then go forward.
In short, is it time to get professional help.