The ornamental design for a packagingfolder, as shown and described.
FIG. 1 is a perspective view of a packaging folder.
FIG. 2 is a front view thereof.
FIG. 3 is a rear view thereof.
FIG. 4 is a left side view thereof.
FIG. 5 is a right side view thereof.
FIG. 6 is a plan view thereof.
FIG. 7 is a bottom view thereof.
FIG. 8 is a perspective environmental view thereof shown in an alternate configuration and with a sheet of artificial nail stickers, which does not form a part of the claim; and,
FIG. 9 is a perspective environmental view of the packaging folder shown with a sheet of artificial nail stickers, which does not form a part of the claim.
The broken lines shown represent environment that forms no part of the claimed design.