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.


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:


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.


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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

I want to write the macro as follow:

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

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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:


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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
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Example of what I'd like to see

Column A Column B

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
Cells(1, 1).Select
Selection.Delete Shift:=xlUp
Cells(1, 2).Select............................

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Apr 9, 2014

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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
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Feb 21, 2009

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

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Sep 2, 2013

I have these kind of matrices (below) and I'd like to identify unique values specific to different groups of columns:

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

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Feb 18, 2014

I need a macro to identify the largest value across columns I2 - AS2. Once found, I need to replace the value with value found minus the value in BQ. The final step would be to highlight the cell that was changed across columns I2 - AS2, then move to the next row and do same until I reach the last row in the worksheet. The number of rows vary each day but the columns do not.

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In the attached file, my largest value sits in AC2. That value needs to be replaced with 486.17 (1,175.37 - the value in BQ2 of 689.20). The cell should then be highlighted so I can quickly identified what cells have been changed.

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