Nikon Digital Cameras Reference Manual page 23

Deleting Image Files and Folders
Image files can be deleted from the camera's memory card
when no longer needed. Note that image files can not be
recovered from the Recycle Bin after deletion; be sure to back
up any image files you would like to keep.
Follow these steps to delete selected image files.
1
Select the image files you wish to delete and choose De-
lete Selected from the Edit menu, or click the
button in the toolbar.
Delete selected thumbnails by pressing the
click thumbnails with the right mouse button and choose Delete from
the right-button menu.
Delete
del key on the keyboard, or
A confirmation dialog box will appear.
2
Click Yes to delete the selected image files.
Click No to return to the browsing window without delet-
ing the image files.
To delete all folders and image files which are being stored in
the camera's memory card, select the Digital Camera icon,
and then choose Format from the File menu, or click on the
Digital Camera icon with the right mouse button and choose
Format from the right-button menu.
Caution!
Image files that have been protected using the camera or the Properties
window can be deleted.
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