# Help needed...VLOOKUP - Unless a value has been seen before

##### New Member
Hi all - thanks to anyone in advance who can help me with this question.

I have a list which has been created using VLOOKUP...

I need to create this list without duplicating any values....

e.g - My list:

Column A

Customer Advisors (Formula - =VLOOKUP(Z8,'Change Capacity Details'!B8:H19,7,True)
Bank Clerks (Formula as above)

In the underlying data - it is possible that Customer Advisors will appear again - I need to avoid this being returned in my high-level list (I only want one entry per group).

Is there a way this can be done?

#### venkat1926

##### Well-known Member
not clear. vlookup will find out ONLY THE FIRST reference value in the data. It will not go to duplicates down.

#### Peter_SSs

##### MrExcel MVP, Moderator

I think I understand what you are saying. I am assuming you have a heading in A1 and that your first VLOOKUP formula is in A2. If that is the case then try this formula in A2 (copied down).

If your setup is different and you cannot adapt this, or it simply doesn't do what you want, then please provide more details. Maybe even some screen shots (small samples) of the two sheets and give an explanation with reference to the screen shots. For screen shots, you can use:
Excel jeanie
or
Colo's HTML Maker

Anyway, here is a formula to try:
Code:
``=IF(ISNUMBER(MATCH(VLOOKUP(Z2,'Change capacity details'!\$B\$8:\$H\$19,7,TRUE),A\$1:A1,0)),"",VLOOKUP(Z2,'Change capacity details'!\$B\$8:\$H\$19,7,TRUE))``

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