Yes, it is true that the files of unsaved word documents can be recovered even after abrupt crash in the system. After reopening word it normally shows a list of files, which are recoverable as autosaved files. Otherwise, you may just browse the AutoRecover folder manually, which contains.asd files anew after every few minutes. It can also be useful to go in search of backup .wbk files or the UnsavedFiles folder. These inbuilt recovery features are effective to recover new work without the use of external tools. You can recover unsaved word document using this method.