Canon A450 - Manual (Page 49)

47
Shooting
Setting the Day or Time for Automatic
Folder Creation.
2
Select a day for the [Auto Create] option and
a time in the [Time] option .
z displays when the specified
time arrives. The symbol will cease
to display after the new folder is
created.
Up to 2000 images can be saved into one folder. A new folder
will automatically be created when you record more than that
number even if you are not creating new folders.