Identify Duplicates Between 2 Columns Of Different Sheets

Mar 14, 2008

I have two spreadsheet in which I am looking for duplicate customer names.

1st - "Customers"
2nd - "Orders"

In column A of my Customers spreadsheet I have the following formula
=IF(ISERROR(MATCH(E2,Orders$D2:D1000,0))=FALSE, "Y","N"). This allows me to see if a name in my Customer spreadsheet (column E is a field of names) is also in my Orders spreadsheet (column D is a field of names). My end results is either a Y indicating a duplicate or a N for no duplicates.

What I am looking to do next is to place in column B of my Customers spreadsheet the date that coincides with the duplicating customer name. Sorry to be confusing. If a customers name is found in the Orders spreadsheet I need to know what date has been given to this customer (column L in the Orders spreadsheet contains the date information).

However, on numerous occasions a customers name is found in the Orders spreadsheet more than once meaning there may be more than one date which needs to be placed in column B of my Customers spreadsheet.

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Identify Duplicates In Two Columns?

Jun 1, 2012

I have two columns of B2 and C2 data in the same worksheet and want to identify duplicates in the columns and return a value of true or false in column D. The formula I have been utilizing is:

=IF(ISNA(VLOOKUP(B2,$C$2:$C$5000,2,FALSE)),0,VLOOKUP(B2,$C$2:$C$5000,2,FALSE))

However, i receive a #REF# return in D. What am I missing ?

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Jul 10, 2013

So here I have two columns Column 1 with repetitive values of some 10000 records Column 2 with unique values of 100 records I want to compare Column 1 and Column 2, identify the values in Column 1 that match with Column 2 and highlight them. Conditional formatting for duplicate values doesnt work because Column 1 has repetitive values.

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Nov 9, 2009

I have two worksheets one worksheet contains Insurnace names and Addresses from a hospital. I need to match these up to specific Insurance codes from a billing company worksheet. The bad thing is my billing database has multiple duplicate addresses for different insurances (Yes this does happen where different Insurances have the same address-don't ask me why). So originally I did a VLOOKUP where I looked up the address from the hospital Spreadsheet and matched it to the Insurance Specific code. The pitfall to doing it this way is that it only grabs the first exact match from the Billing worksheet. Is there a way to either automatically identify the possible matches and allow me to choose which one is the exact match or how do I just identify duplicates on my billing worksheet and match them manually? I attached the worksheet.

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Apr 8, 2014

I'm trying to Count duplicate text on sheet 2 and populate the number of times repeated on sheet 1.

On sheet 1 I have A3:A128 and would like the number of times these respective cost centers are repeated in Sheet 2 to populate Column B of Sheet 1.

File attached.

Not sure which formula to use. I tried CountIF but didn't work with 2 sheets.

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Oct 3, 2011

I Have Data in my excel where i need to findout the Duplicates as well as unique if there are duplicates in the given column.

For eg In Column "M" if there are Five "ABC" so i need all the five ABC as a Duplicates and not only 4 ABC as Duplicates and one as Unique.

ABC
B
C
ABC
ABC
ABC
ABC
D
E

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Macro To Identify Duplicates

Jun 27, 2006

I am trying to write a macro to check for duplicate numbers. My logic is as follow:

If(A2-A3=0) Then
B3=1

I want to write the macro as follow:

Select Check>0
Do While Check <885
If(A2-A3=0) Then
B3=1
End If
Loop

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Oct 13, 2006

I need to identify duplicates in a list and have the foilowing formula:

=IF( COUNTIF(range1,A2)>1,"Duplicate","")

This works ok but i have a further condition which i dont know how to factor into the formula. I think i could write some vba to determine the dupes but i was hoping to avoid this as im sure it will take me an hour or so. Duplicates are identified at the moment as being identical numbers in column "amount", i now need to specify duplicates as being identical numbers in this range where there is at least one row with no pay date filled in in col "paydate"

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Jan 12, 2010

I have a list of objects:

A
B
C
D
X
D
A
F
G
H

I know how to get a unique list. How do I identify those that are in the list more than once and how many times it is in the list?

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Dec 22, 2008

I have a spreadsheet with 20+ columns. Each column contains a list of invoice numbers, eg, 1234. The lists are all of different lengths (see below). I want to find a way to find/highlight/identify those invoice numbers that appear more than once in the entire sheet (eg if invoice 1234 is listed in column B, and also in column H, and/or if invoice 5678 is listed in column A, and also in column J, and also perhaps in column D, etc.)

I've searched this forum but haven't found anything about searching for multiple duplicates in multiple columns. Ideally the matches would be highlighted in different colours, (eg all cells that contain 1234 would be red, those that contain 5678 would be blue, etc., for ease of identification) but I'm not sure if that's possible. I've attached an example that I've shaded myself to show what I mean. I've tried the MODE function but that only tells me which invoice number occurs the most.

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Mar 30, 2012

I use excel 2007 and need a formula to identify cells that have duplicate values within the same cell. For example, some of my city fields have the city twice, like baltimorebaltimore.

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Feb 24, 2014

- I have a list of 8 digit numbers in Column A sorted small to large
- Some of the 8 digit numbers are duplicated.
- In Column B I would like to have more of a combination of countif and listing the duplicates in order (1 for the first dup in the column, 2 for the 2nd, etc.)

Example of what I'd like to see

Column A Column B
123456781
123456782
132546841
685036541
985413561
985413562
985413563

As you can see if the number in column A is on the list one time column B would show a 1If the number is shown two times (the first time it shows up will show a 1 the second will show a 2) If the number is shown 3 times (the first time it shows up will show a 1 the second will show a 2, the third tiem would show a 3)

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Jun 29, 2007

I need to identify the errors, duplicates, typos and such between two spreadsheets of over 4000 rows of data each. The Macro: I got a macro working, but it's not perfect. So far, it can only tell data that's missing on spreadsheets A, or B. However, it can't tell which are the duplicates, typos, etc. Please look at the sample for more details. The code is included in the sample. And for your convenience, it's right here:

Sub difference_general()
Dim frontcount As Long
Dim backcount As Long
Dim diffcount As Long
Dim nosrcflg As Boolean
Dim front_ref As String
Dim back_ref As String
Dim anydiffflg As Boolean
Dim ftnotexistflg As Boolean
Dim invnotexistflg As Boolean
Application. ScreenUpdating = False
Application.Calculation = xlCalculationManual
Sheets("Diff").Select
Cells(1, 1).Select
Rows("2:65536").Select
Selection.Delete Shift:=xlUp
Cells(1, 2).Select............................

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Oct 13, 2011

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I have a macro-routine that generates a table of all sheet-headers (+/- 100-120 sheets) in a workbook. It's crusial that all headers - row("1:1") - have the same values in respektiv columns -so I have this routine to check that this really is the case, before new prosess. The table is rather huge - so I should som way or another identify the columns with more than one value (f.ex back-ground-color in column-top-cell). In this case I must edit and correct the header, and run my routine once again - until all headers are the same

Table is plased in Sheetc("HeaderCheck")

My routine works, but I dont know how to fix this mark-up stuff.

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The following code takes the selected item from a listbox and populates another listbox with the item. The problem is that only the item from column 1 is populated to the other listbox. How can I populate the other listbox with the items from both column 1 and column 2?

Private Sub cmdSelToExc_Click()
Dim i As Long
With Me.lstProducts
' Copy all selected items, then delete.
For i = 0 To .ListCount - 1
If .Selected(i) Then
Me.lstExclude.AddItem .List(i)
End If
Next j
Next i
For i = .ListCount - 1 To 0 Step -1
If .Selected(i) Then
.RemoveItem i
End If
Next i
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Feb 21, 2009

what I'm after is a macro to check the contents of Column 'A' against column 'B' and display any duplicates in Columns 'C' & 'D'.

N.B. The headings of Columns C & D are :-

C = Value Found in Column A

D = Value Found in Column B

Any duplicate entries logged in columns C & D should be listed in C2,C3,C4....C20 and D2,D3,D4......D20 etc (in effect creating two new lists)

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Title List 1List 2List 3
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ACROCEPHALUS x
ACS CHEMICAL BIOLOGY x x x
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Sep 2, 2013

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[Code] .........

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What I would like to get is a measure of whether:
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Nov 20, 2013

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Sep 2, 2009

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1. Cells in column A, Sheet 2 are compared with the Cells in column A, Sheet 1.

2. Sheet 3 is produced containing all the rows in Sheet 2 for which there is no duplicate cell in Column A, Sheet 1.

3. The rows copied from Sheet 2 to Sheet 3 are highlighted on Sheet 2. Attached is a workbook with 3 sheets. Sheet 3 is the desired result (+ the cell highlighting on non-duplicates on Sheet 2).

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Aug 13, 2009

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Jan 20, 2012

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Mar 26, 2011

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to be deleted from is below:
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83223
83226
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83229
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Feb 21, 2009

I have a list of numbers in column A of my Worksheet, and a list of names in column B.
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A B
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ALEX
ANDREW

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PHIL

JOHN
JOHN

NEIL
PHIL

PHIL
THOMAS

RICHARD
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Jan 20, 2010

I have columns from A to AA and need to count the duplicates in at least 2 columns and accordingly need to give them values on the basis of their ratings (A, B, C, D) and type of work (book, article etc) given in yet other columns.

I tried COUNTIF, but that does not work for multiple perimeters
I tried SUMPRODUCT, =SUMPRODUCT(($G$4:$G$3000=$G28)*($AA$4:$AA$3000=AA28)), but that only gives a multiplication of my input without the possibility of giving new values to the output.

I tried AND(IF( but that did not want to work either really...

I think the solution is ifsum, but I do not know how to use it in this scenario...

I know this all sounds a bit blurry, so let me attempt to make it more concrete.

Author Title Year Rating Type Desired outcome
P Marx I 2005 I A I Book I duplicate
A Hegel I 1923 I B I Article I -
B Kant I 1674 I D I Book I -
A Derrida I 2005 I D I Monograph............................

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