Data Recovery From Empty Time Machine Backup .inprogress sparsebundle Open Greyed Out Folders

This is a guide on how to recover data if you open an .inprogress or incomplete Time Machine sparsebundle. This basically happens when you pull a Time Machine backup partway through, or a Time Machine backup has an error. Plus a guide on how to open greyed out unopeneable folders using terminal.

Timestamps:
00:00 Introduction
00:53 Show hidden files in Finder
01:19 Time Machine .interrupted folders
02:36 Open greyed out folder
03:38 Conclusion