De or het knipselalbum?

The correct Dutch article is:

het knipselalbum

Rule Words ending in -um and -ium: usually het. See the rule

How to use knipselalbum

the knipselalbumhet knipselalbum
this knipselalbumdit knipselalbum
that knipselalbumdat knipselalbum
our knipselalbumons knipselalbum
your knipselalbumjouw knipselalbum
every knipselalbumelk knipselalbum
which knipselalbum?welk knipselalbum?
a big knipselalbum / the big knipselalbumeen groot knipselalbum, het grote knipselalbum