Nikon D3300 - File Number Sequence

249B The Setup Menu: Camera Setup
When a photograph is taken, the camera names the file by
adding 1 to the last file number used.
This option controls
whether file numbering continues from the last number used
when a new folder is created, the memory card is formatted, or a
new memory card is inserted in the camera.
File Number Sequence
G button ➜ B setup menu
Option Description
On
When a new folder is created, the memory card formatted, or
a new memory card inserted in the camera, file numbering
continues from the last number used.
If a photograph is
taken when the current folder contains a photograph
numbered 9999, a new folder will be created automatically
and file numbering will begin again from 0001.
Off
File numbering is reset to 0001 when a new folder is created,
the memory card is formatted, or a new memory card is
inserted in the camera.
Note that a new folder is created
automatically if a photograph is taken when the current
folder contains 999 photographs.
Reset
Resets the file numbering for On to 0001 and creates a new
folder with the next photograph taken.
D File Number Sequence
If the current folder is numbered 999 and contains either 999
photographs or a photograph numbered 9999, the shutter-release
button will be disabled and no further photographs can be taken.
Choose Reset for File number sequence and then either format the
current memory card or insert a new memory card.