If you have a partner (any kind), talk to them regularly about these things, especially finances. I'm now of an age where people passing is normal and regular, and I can't tell you how many times I've heard things like "[my partner] pays all the bills...I have no idea what bills we have" and "[my partner] takes care of that...I have no idea what I need to do". Even if you have a spreadsheet for them to stumble upon that lists accounts, that might not tell them things like "what's a normal payment and what's weird" or "this creditor is squirrelly so make sure you pay close attention to them". Or one I had recently: "I didn't know we got a discount on the lawn service because my partner gave the guy a case of beer when he came".
Don't just leave this to a folder full of documents on a computer for them to try and interpret post mortem. Make sure everyone understands what the real situation is and what needs to be taken care of.
Don't just leave this to a folder full of documents on a computer for them to try and interpret post mortem. Make sure everyone understands what the real situation is and what needs to be taken care of.