Combine data from several columns into one while removing duplicate values - with formula

Bookender

New Member
Joined
Sep 18, 2013
Messages
47
Okay, so, I have a problem that has caused a bit of hair-pulling on my side, especially as all I have been able to Google results for is how to concatenate two cells with an ampersand:

Basically, I have three columns, A, B and C. These columns will contain variable amounts of data, based on the data in an entirely different sheet (which is updated every two hours, hence why I want this bit to run without any input outside of opening the sheet), and the quantity of data in each column can vary from 1 to 260 rows.

A
B
C
1
2
5
2
3
6
3
4
7
5
5
7

<TBODY>
</TBODY>



What I want is to end up with a single column D with all of unique values from A, B and C (column D doesn't have to be in order; this is just to help demonstrate what I want):

D
1
2
3
4
5
6
7

<TBODY>
</TBODY>

Anyone got ideas for how I can construct my formula for this?

(I got Excel 2010, btw)
 

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