Backup source of Photoshop (No. 1)

• Backup list
• View the diff.
• View the diff current.
• View the diff for visual.
• View the backup.
• Go to Photoshop.
  • 1 (2017-01-12 (Thu) 13:43:00)
  • 2 (2017-03-11 (Sat) 17:56:21)
  • 3 (2017-05-23 (Tue) 17:36:17)
  • 4 (2020-06-18 (Thu) 13:16:49)
  • 5 (2020-12-23 (Wed) 23:32:16)
  • 6 (2022-01-08 (Sat) 00:43:57)

- Adobe Photoshop File Formats Specification
--  http://www.adobe.com/devnet-apps/photoshop/fileformatashtml/