formula to produce alpha-numeric list without spaces from another column

Question

In Excel, I'm trying to generate a list of students who qualify for specific services but are not receiving them. I've been able to write a formula which returns the students that should get the specific services, a formula which lists all students getting the specific service, and a MATCH formula which then lists the students who should get the service but are not. The last step of this, which I can't figure out, is how to add to the formula (or write a formula in a new column) which automatically sorts the list alphanumerically and without empty cells, like this:

image of what I'm trying to do

I'm all good to the third column, but I can't figure out how to make the results look like they do in the fourth column automatically. I'd appreciate any suggestions.

Sorry, was trying to insert a table instead of a picture, but kept getting an error about code formatting.

Answer 1

Assuming you're on Excel with a spill range (most people are these days), you can use the unique , sort , and filter functions.

Try this formula in cell D2:

=Sort(Unique(Filter(C:C,(C:C<>"")*(ROW(C:C)>1))))

If you aren't on a version of Excel that has this, you don't have a lot of options without dragging a formula and doing some odd Texjoin substation method. Most Excel versions do have this functionality as does Excel's Web version and Google Sheets (same formula would work on these platforms).