De or het depotrekening?

The correct Dutch article is:

de depotrekening

Rule Words ending in -ing: almost always de. See the rule

How to use depotrekening

the depotrekeningde depotrekening
this depotrekeningdeze depotrekening
that depotrekeningdie depotrekening
our depotrekeningonze depotrekening
your depotrekeningjouw depotrekening
every depotrekeningelke depotrekening
which depotrekening?welke depotrekening?
a big depotrekening / the big depotrekeningeen grote depotrekening, de grote depotrekening