Why use arrays in VBA when there are collections?

Question

many people use extensively arrays in Excel/VBA to store a list of data. However, there is the collection object which in my view is MUCH MUCH more convenient (mainly: don\'

Answer 1

Several reasons to use arrays instead of collections (or dictionaries):

• you can transfer easily array to range (and vice-versa) with Range("A1:B12") = MyArray
• collections can store only unique keys whereas arrays can store any value
• collections have to store a couple (key, value) whereas you can store whatever in an array

See Chip Pearson's article about arrays for a better understanding

A better question would rather be why people would use collections over dictionaries (ok, collections are standard VBA whereas you have to import dictionaries)