Formula For Duplicate Prevention?

Jul 22, 2014

I need some excel formula to prevent duplicate cells in my excel file.

Case: I have one excel sheet with one column containing certain cell occupied with data (Eg: A01 to A30), Now i'm try to paste some more data in the consecutive cells (Eg: A31 to A40). The data i'm pasted second (Eg: A31 to A40) may contain some data from first pasted data(Eg: A01 to A30). I need to remove the duplicates. In this case after pasting 2 datas i can remove duplicates. But i want to prevent from pasting of duplicate data..i.e. while pasting the second set of data, a pop window should appear and tell me "these data are already present" etc..

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Excel Password Removal Prevention

Nov 5, 2013

I'm password protecting a workbook. But I found this:

[URL] ........

Which I've tested and works to break the password.

Is there a way to "super" protect a workbook and worksheets from having the password broken?

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Formula For Duplicate Values?

Jun 17, 2014

I have data that is set up like this:

A1 B1
Apple Sweet
Apple Juicy
Apple Worm ridden
Apple Round
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Apple Grannies
Pear Green

[code]......

and would like to combine all of the duplicates from A1 into one field, with all of the options in B1 combined into one cell (separated by a |). So the above table would read:

Apple Sweet|Juicy|Worm ridden|Round|Cooking|Grannies
Pear Green|Tasty|Mouldy
Orange Tangy|Tasty
Peach Rare|Forbidden|Expensive|Squishy

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Jul 16, 2009

Is there a way to use a formula to take an adjacent range of cells and duplicate all values so that the resulting range contains one duplicate of each cell.
For example A1:A5 is:

1
2
3
4
5

I need range B1:B5 to be:

1
1
2
2
3
3
4
4
5
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Jan 22, 2010

I have a list of items which I want to return the number of sheets in stock at the end of the month which uses a lookup.

My problem is though is that products can appear on the list more than once, therefore I need an IF formula which if it’s a duplicate (other than the first instance) I need it to appear as zero.

I have attached a spreadsheet which may be clearer than above.

Your notice on the spreadsheet the same product appears in 4 difference racks however I only need it to show once the total sold and total receipted. I have shaded in grey the desired result.

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Jun 15, 2007

I'm trying to import an excel list into this database, but it does not allow duplicate names.

If cell A1= abcdefghij
and cell B1=abcdefghij
and cell C1=abcdefghij

I need a code that will compare A1 to see if there is any duplicates, and if there is i need it to see if the name is = or greater then 10 characters, if so i need it to be reduced to 9 and then have a "1" added to the name. then if there is 3 with the same name i would need it to add a "2" to the next one.

so the end result of the forumla would be
A2= abcdefghi1
B2= abcdefghi2
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Jun 22, 2009

There are many Software and Add-in and Macro or Code to Delete or Eliminate the Duplicate Data. But, I want to Delete The Duplicate BLANKS Row.I means to Say that
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Example

Hardeep
Blank
Renu
Blank
Blank
ABc
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¿FREQUENCY, OFFSET.....?

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Jan 16, 2007

I have a long list of work items that is referenced by a unique 7 digit number. I need to create a formula to identify the specific work items that is being duplicated in the list and generate that number. Example is as follows

Work Item#

1234567
1234568
1234567
1234569
1234568

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1234568

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Here i mentioned a eg;

VlookUp_DuplicateValue.JPG

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Dec 14, 2009

In worksheet named, " My Overview", if the total sales values are a zero in C47:C59 the consultant name is duplicated in B47:B59 because of the values being a zero in C47:C59. How can i have the formula not duplicate this?

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Jan 1, 1970

In exceltip.com i found many solution of my problems

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Apr 4, 2008

I need a formula (I'm not sure if its possible without using VB which I have found on another thread) that I can 'drag' down to the cell Bx (where x is variable) to extract unique entries in a list of values and then display them in a shorter, more concise list - like the 'Pick From List' function does but actually display these values in seperately in a column of cells.

Hope this is making sense.

So (hopefully) to elaborate:

A1:Ax = The list of values containing duplicates
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Jan 17, 2007

I have a long list of work items based on a 7 digit number. The work item is referenced by a code named DS or WU.Example as below and the work item# has duplication throughout the list.(work item # repeated)

Work Item DS/WU
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1234569 DS
1234562 DS
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Mar 31, 2014

I wish to create a spreadsheet which has formulas which would enable me to see if a patient has had more than one referral created within the next 30-90 days [the actual number of days not important - the ability to modify the formula to reflect which time period required would be cool] and also to see if a patient has been referred for the same medical condition again. Thus in my mind at least two different formulas - has the patient been referred again within a time period of days and has the patient been referred again for the same medical condition.

Attached is an example referral spreadsheet I have created

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I got a formula from this forum to eliminate duplicate records in a array from 1 column in database. Now I would like to take it one step further and filter out records in the array that do not meet the criteria of being in a particular "Zone" selected by the user by clicking on a ComboBox from cell "AA18".

The first formula is copied to cell "C7":

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Aug 15, 2012

How do I set up a custom validation formula to prevent duplicate enties?

For example I I've already enter the song name 19 and Paul Hardcastle (BandName), how do I set it up where I can not enter that combination again on a row?

I was wanting to use a custom CountIF function but I could not get it to work.

A
B

Song
BandName

19
Paul Hardcastle

[Code] ....

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Jan 27, 2010

I'm in need of a formula, or another automated technique, to link a column of data from one worksheet to another. I have an input worksheet that I copy the raw data into that is formatted as follows:

COLUMN A
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Row 2 12004
Row 3 12011
Row 4 12020
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etc...

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COLUMN A
Row 1 12001
Row 2 12001
Row 3 12001
Row 4 12004
Row 5 12004
Row 6 12004
Row 7 12011
etc...

I need the formula, or method, to be one that I don't have to continually re-enter as the data changes, as I have thousands of records to do this with. I've tried filling down, but autofill doesn't recognize an accurate trend. Is this something that I can accomplish by combining several fomulas, creating macros, or a combination of the both?

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I am using excel 2003 and I am looking for a formula that will highlight duplicate cells and change the cell to red.

Unlike newer versions that have duplicate cells within the formatting tool, appears that 03 doesnt.

Also I am looking for a formula that will highlight blue a date cell when the date arrives.

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Macro To Comment On Cells Based On Formula's (duplicate, Length, No Entry)

Jun 25, 2009

making a macro that will scan for duplicates, length & empty cells.

I have the sample file below that does conditional formatting but it doesnt help as much because I want to show the reason for the highlight's on a comment instead.

sample file : [url]

file that might help out: [url]

checks would be:
column A - duplicates and/or length should not be over 100 characters
column B - duplicates
column F - should only contain 2 comma's(or 3 keywords)
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I have a worksheet that has 3 duplicate values in a particular column, I need a macros that will highlight two of the duplicates row and then another macro to delete the entire row. The duplicate element are in column R. find attached worksheet.

Copy of OCL 2010 (3).xlsx‎

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Dec 11, 2008

I have a spreadsheet with 3300 rows. In column A there is a list of company names and in column H there is a corresponding Sales Rep name.Column A has many duplicate company names. I would like to run a macro that will find the a company name and then delete all the rest of the rows that contain that same company name.

Attached is a sample of that spreadsheet.

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Nov 1, 2007

I feel as though I have spent enough time searching the previous posts to ask this question.

I have a 4 column sheet, column B has many cells with identical data. I want to delete all the rows that that have duplicate data in column B.

COLUMN A= Car Makers
COLUMN B= Models of cars
COLUMN C= color
COLUMN D= owner

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Jun 12, 2008

I am using the following macro to insert the word "Duplicate" in the first blank column next to a duplicate row. My data is sorted by the first column. Data Example:

12345 a
12345 a DUPLICATE
11111 b
23123 b

Here is the macro I am using and it does not work. It marks the first duplicate it finds then goes into an infinite loop. Any Idea where I went wrong?

Sub MarkDupes()
x = ActiveCell.Row
y = x + 1
Do While Cells(x, 1).Value <> ""
Do While Cells(y, 1).Value <> ""
If (Cells(x, 1).Value = Cells(y, 1).Value) Then
Cells(y, 3).Formula = "Duplicate"
Else
y = y + 1
End If
Loop
x = x + 1
y = x + 1
Loop
End Sub

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Sum Duplicate Values Then Delete Duplicate Rows

Jan 5, 2004

I have 4 columns in my spreadsheet. I am trying to find any duplicates that may exist in Col A, sum values in Col D, then delete the entire row. So far my sheet before I run my vba code is this.

Col A
100
101
102
105
100
101
102
105

Col D
5
4
2
4
1
2
3
1

After my code is run, I need for my spreadsheet to look like this

Col A
100
101
102
105

Col D
6
6
5
5

I have some code but I still need to do a considerable amount of tweaking to it. Currently my code is only deleting the duplicate values in Col A. I am having difficulty summing the values in Col D as well as deleting the entire row.

Here is my code thus far....

-------
Public Sub FindDuplicates()
For RwCnt = 1 To (Worksheets(1).Cells(65536, 1).End(xlUp).Row)
SrchValue = Worksheets(1).Cells(RwCnt, 1).Value
If Len(Trim(SrchValue)) > 0 Then
With Worksheets(1).Range("a1:a" & Cells(65536, 1).End(xlUp).Row)

[Code]....

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Sum Duplicate Values Then Delete Duplicate Rows

Jan 5, 2004

I have 4 columns in my spreadsheet. I am trying to find any duplicates that may exist in Col A, sum values in Col D, then delete the entire row. So far my sheet before I run my vba code is this.

Col A
100
101
102
105
100
101
102
105

Col D
5
4
2
4
1
2
3
1


After my code is run, I need for my spreadsheet to look like this
Col A
100.........................

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Jun 29, 2012

1 workbook, 2 worksheets (or tabs). On tab 1, I want a formula/alert that tells the user if any duplicate values exist in Column A of tab 2

Tab 2, Column A, has Unique ID's (6 digit numeric values)

The user manually inputs the ID's on new rows in Column A

Row 1 is reserved and in use for something else
Row 2 is my header, so cell A2 says "ID"
Row 3-623 currently contain unique ID's

When the user inputs a new ID into cell A624, then they return to Tab 1, I want my formula/alert on Tab 1 to tell the user that they have duplicates in Column A of tab 2. I know the Conditional Formatting, but if the user copies in 100 new values, they won't necessarily see the highlighted cells. My tab 1 is my "checks and balances" and the last place the user is suppposed to look to ensure that they haven't created any duplicate ID's. If the user sees a warning message that says duplicates exist, then I'll tell them that they need to look at column A (for cells that have been conditionally highlighted).

One issue that I'm running into with the conditional highlighting is that I want cells A3:A1048576 to already have the conditional formatting - this way when the user inserts a value into Cell A624, then A625, etc they conditional formatting is already there. Right now with data in cells A3:A623, cells A624:A1048576 are all highlighted with the Red/Bold Red Font (which is okay I guess), but ideally it would be nice to not count 2+ empty cells as duplicates and I'll have to have my formula on Tab 1 not include the blank cells.

I DO NOT want to use the Remove Duplicates feature of Excel 2010. If I remove them I could be removing data in columns B, C, D, etc that belong to the Unique ID. I just need the user to be told in Tab 1 that they DO have duplicates and I'll train the user how to research this and fix it.

The reason I want to look for duplicates in the entire Column A is because the list of Unique ID's will grow over time.

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Min With No Duplicate

May 6, 2008

I have a spreadsheet with 7 golf teams (4 members each). For each hole, I want to award 1 point to the team with the lowest score, if and only if there is not a tie between two or more teams.

Example:

Team 1 - 7
Team 2 - 6
Team 3 - 5
Team 4 - 4

I would want to give team 1, one point, but if this were the case:

Team 1 - 7
Team 2 - 6
Team 3 - 5
Team 4 - 5

then nobody would receive a point. I came up with a barbaric way of using another row

=IF(MIN(C$9,C$24,C$36,C$50,C$61,C$75,C$86,C$100),1,0)

and then using an if statement: if the sum of all those above cells was greater than 1 then 0 and adding that, but I was wondering if there is a more efficient way?

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Remove Duplicate

Apr 9, 2014

I attached a file in which column A is dr_cr and E id INST_NO and column G is INST_AMT. This file like a bank statement. in which one instrument(cheque) present and i denote it c(credit) in column A. but if cheque credit then d(debit) means that this cheque present and dishonour. but some time one cheque credit and then debit and then credit. it means that we have to remove previous credit and debit entries. in this attached file you found this type of entries. i want to remove this type of entries. i further explain.

1. if one instrument have one credit and one debit its ok.

2. if one instrument two credit and one debit then remove one credit and one debit where instrument no and amount and drawee bank must be same.

3. if one instrument have two credit and two debit we have two remove one one debit and one credit.

4. if one instrument have three credit and two debit then we have to remove two credit and two debit so one credit left.

Attached File : remove duplicate.xlsx‎

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