: These are the foundation of Photoshop, allowing you to organize artwork on separate transparent planes to build complex composite images without permanently altering the original pixels.
YYYY-MM-DD_ProjectName_Version_ShortDescription.psb
Archiving is useless if the drive fails.
Catalog with a digital asset manager (DAM) or a simple indexed spreadsheet listing: filename, max layer count, color space, dimensions, and storage location (disk ID + path).
Never mix source assets with working files. A professional archive uses a consistent folder structure. The industry standard is: