De or het subdossier?

The correct Dutch article is:

het subdossier

This word is not in the word lists we use to double-check answers.

How to use subdossier

the subdossierhet subdossier
this subdossierdit subdossier
that subdossierdat subdossier
our subdossierons subdossier
your subdossierjouw subdossier
every subdossierelk subdossier
which subdossier?welk subdossier?
a big subdossier / the big subdossiereen groot subdossier, het grote subdossier