Formula to append numbers in order to unique ID

Tashat

Board Regular
Joined
Jan 12, 2005
Messages
137
Office Version
  1. 365
Platform
  1. Windows
Hi All

I'm looking for a formula for column H in the example below. With some help from the lovely people on here, I managed to get this to work in column E, but now I need a similar formula for column H. I want column H to automatically generate an Action ID based on what the user enters in the adjacent cell in column G - Interaction ID. The interaction ID in column G can be repeated and I want the formula in column H to append a number (making it unique) to the end of the ID. Each time the Interaction ID is repeated, it appends the next number in order, as per the example below. I have tried to modify the formula in Column E to see if I can get that to work, but I don't fully understand what each part of the formula is doing, so my efforts so far have been in vain. Any help would be appreciated.

Fruit Example.xlsm
DEFGH
1Sheet 1Sheet 2
2Activity IDInteraction IDInteraction IDAction ID
3ACT_1ACT_1AACT_1AACT_1A_1
4ACT_1ACT_1BACT_1AACT_1A_2
5ACT_3ACT_3AACT_1AACT_1A_3
6ACT_1ACT_1CACT_1BACT_1B_1
7ACT_49ACT_49AACT_1BACT_1B_2
8ACT_21ACT_21AACT_49AACT_49A_1
9ACT_21ACT_21BACT_21AACT_21A_1
10ACT_21ACT_21CACT_21BACT_21B_1
11ACT_21ACT_21DACT_21BACT_21B_2
12ACT_21ACT_21EACT_7AACT_7A_1
13ACT_21ACT_21FACT_21FACT_21F_1
14ACT_7ACT_7AACT_21FACT_21F_2
15ACT_21FACT_21F_3
16ACT_21DACT_21D_1
Sheet3
Cell Formulas
RangeFormula
E3E3=D3&SUBSTITUTE(ADDRESS(1,COUNTIFS(D3:D$3,D3),4),1,"")
E4:E14E4=D4&SUBSTITUTE(ADDRESS(1,COUNTIFS(D$3:D4,D4),4),1,"")
Cells with Conditional Formatting
CellConditionCell FormatStop If True
G16:H16Cellcontains an errortextNO
G15:H15Cellcontains an errortextNO
G7Cellcontains an errortextNO
G6Cellcontains an errortextNO
G5Cellcontains an errortextNO
G4Cellcontains an errortextNO
G3:H14Cellcontains an errortextNO
E3:E14Cellcontains an errortextNO
 

Excel Facts

Repeat Last Command
Pressing F4 adds dollar signs when editing a formula. When not editing, F4 repeats last command.
How about in H3 filled down
Excel Formula:
=G3&"_"&COUNTIFS(G$3:G3,G3)
 
Upvote 0
Solution
You're welcome & thanks for the feedback.
 
Upvote 0

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