|If I recall correctly, there is something like a 256 character limit when using that method.|
Instead of entering the data directly into the Source field, enter the individual list items in a "column" and then refer to that range in the Source field. e.g. =$A$1:$A$75
Not only will you be able add significantly more items to your list, it will also be much easier to edit the list since all you have to do is edit the cells, not a long cumbersome text string.
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