The list can be exported as One GoogleSheets Workook.
You can export each Per Object to a separate sheet - so 7 sheets
  1. Tasks
  2. Links
  3. Docs
  4. Files ( files get dumped to a Subfolder in name with the name of the List) Each File Entry in the spreadsheet points to the corresponding file in the sub folder
  5. Calendar - text contents
  6. Messages
  7. Chat
8th sheet could be for Tags.