If you are the spouse or executor of the estate of a person who has passed away, there are many documents you will need to work through. What papers do you actually need?
Most will be financial statements, insurance and membership papers, and legal papers that already exist. These you will need to find. Others you will need to create.
Note that in the digital age, some of these affairs can be arranged completely online using digital documents and accounts. Even so, there will still be many copies and forms you will physically need to handle. Here is the list of papers you need when someone dies.