Avoid Duplicate Numbers In 1 Column

Feb 24, 2010

I have a column where i have to put document numbers, Column A, i want to avoid accidently capturing something twice, so the only thing thats unique is the document number. Can i get an error if i try to enter the same number twice?

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Code To Avoid Duplicate Userforms

Jul 12, 2009

I have a userform that has a control button that opens another userform that contains a listbox with a range of data. I want to click on an item and press a control button to add it to a textbox on my first userform. I do this via:

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Highlight Duplicate Reference Numbers In Column A

Jun 4, 2014

I managed to find this great bit of code some time ago and would now like to add to it. The code basically identifies any duplicates in column A and then lists the results in a message box,e.g.:

Duplicate Name: REF12345
Rows: 2,3

Works great for 1 or 2 duplicates but if there are many it becomes quite difficult to keep track. I'd like keep the code as is but add highlighting to the identified cells.

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Feb 7, 2007

How can I avoid letters in a cell (read only numbers)

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Apr 2, 2009

I have a formula that converts the interval between two times into a whole number of minutes:

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May 4, 2007

I have three cells in a column. A1, A2 and A3. There are only 4 possible numbers that these can have in them, 0,1,2,and 3. Here is the catch. None of them can repeat, although they can be in any order. And the column may only have data in the first cell or the first two or all three. Is there a simple macro that will alert me to when a number is repeated? It needs to be a macro rather than a apreadsheet function.

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Data Validation "avoid Duplicate And Non Specified No.s"

May 19, 2006

I have a list of buses numbered something like this 320-360, 700-750, 800-899, 900-990. (but not always consecutive ie... 325 may be deleted). each day I want to enter them into a worksheet call "Shed" ( cells B3:E46) which is how they are parked ie.. bus 320 in B3, 321, in B4, .... bus 700 in E3, 701 in E5 etc....

I only want to be able to enter the bus number once so it won't be allocated in the shed more than once. (the code below provides this, but it also allows entries between the lowest and highest numbers which is not suitable.) The numbers are listed in column M to R

=And(Or(And(B3>=$M$2,B3<=$M$250),And(B3>=$N$2,B3< =$N$250),And(B3>=$O$2,B3<=$O$250),And(B3>=$P$2,B3< =$P$23),And(B3>=$Q$2,B3<=$Q$23),And(B3>=$R$2,B3<=$ R$23)), COUNTIF($B$3:$E$46,B3)<2)

The numbers will also change after time, numbers will be added to and numbers will be removed. I hope I haven't waffled on too much. but that is basicly what I was wanting to do.

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Avoid Duplications In Column

Jun 19, 2008

I have to type a an ID in column D of a worksheet called “restricted funds”, I have 13 sheets in that workbook and each sheet has in column D some IDs, I can not type a duplicate ID, in the that sheet. What is the best way to avoid no duplications. IDs are simply numbers.

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Highlight The Duplicate Numbers

Aug 5, 2009

I have two columns with item code numbers in them

if any numbers from column 1 are duplicated in column 2, i want them to be highlighted automatically, maybe with a coloured cell or something?

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Duplicate Numbers On Single Row?

Mar 3, 2012

With exception to Duplicate numbers on a single row, or column. I am hoping I can check an entire row against other rows, to see idf the same number are repeated.

Unlike the Lotto, this is about Safety boxes, where I have sequential numbering such as the following:

Row2:5,11,15,16,19,35
Row16: 2,8,12,17,18,33,
Row102: 2,6,8,14,22,44
Row645: 2,6,8,14,22,44

Notice rows 102 and 645

I can't believe all of our staff missed the duplicate lines 102 and 645 of duplicate Although these row numbers were rows 2, 16, 102, & 245

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Duplicate Sort By Numbers

Jul 18, 2013

I have data and i would like to number duplicates next to the data so that i can append the cells that are duplicates easily. The data i have is in the following cell format -

Red
Red
Red
Green
Green
Green
Green
Blue
Yellow
Yellow

What i would like is to output serial next to the cells based on the cell uniqueness as in -

Red 1
Red 2
Red 3
Green 1
Green 2
Green 3
Green 4
Blue 1
Yellow 1
Yellow 2

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Counting Duplicate Numbers

Jul 20, 2006

I use the following formula to count duplicate random numbers on Row 35 that occurred on Row 34:

=SUMPRODUCT(--(D35:I36<>""))-SUMPRODUCT((D35:I36<>"")/COUNTIF(D35:I36,D35:I36&""))

I would like to continue to compare against Row 34 and count duplicates on other rows (ex. Row 36 or Row 37) one row at a time.

In addition is it possible to visually identify the duplicates through conditional formatting (ex. Bold or color change) or other ways?

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Identifying And Copying Duplicate Numbers?

Apr 3, 2014

I realise there are a few threads on similar topics but I can't seem to get any of them to work for my scenario. I have two columns with a list of numbers in each. I'm after a function that will scan column A and identify any numbers that also appear in column B. If possible I would like it to then generate a list of these in say, column C.

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Counting Duplicate Numbers In A String?

Apr 21, 2013

i want Counting duplicate numbers in a string for example Counting 2

22241278-------- Count(2)=4

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Macro To Highlight Duplicate Numbers In Col A?

May 9, 2013

I would like a macro to highlight duplicate numbers in Col A in Sheet1.

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Add Numbers Based On Duplicate Codes Only

Jul 30, 2008

I got some functions from some of you to spot duplicate bar codes

the first function was this =IF(ISERROR(MATCH(D5;$D6:D$65536;0));"";D5)
the second next to it this =COUNTIF($D:$D;$D5)
and the third: =IF(COUNTIF(D:D;D5)>1;"DUPLICATE";"")

well fine but now I dlike to add the numbers of the 2 cells of those duplicate codes. In some cases I have more than 2 identical bar codes.

Example

4905524490831DPFV900B.CEU0649055244908312DUPLICATE

4905524490831DPFV900B.CEU502DUPLICATE

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Avoiding Duplicate Serial Numbers

Nov 20, 2008

I have in my sheet from C13 to C350 many serial numbers which I manually type them in. These serials are 5 digit numbers, and I was just wondering if there's a function or formula that will not allow duplicate numbers in that column.

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Identifying Duplicate Ref Numbers Over 2 Columns

Jun 9, 2009

I have 2 columns I need to compare, in column A a list of ref numbers aprrox 62000 rows, with some duplicates. In column C a list of ref numbers 38000 rows again with some duplicates.

I need to be able to compare Column C to Column A. I need to identify the first instance of a ref number that matches from C to A so that I can delete it. The second instance of this ref number I would like keep. I have tried the following with no luck.


=if(countif($C$2:C38000,A2)>1,"Duplicate","Unique")

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Remove Duplicate Part Numbers

Jun 16, 2009

I need to remove duplicate Part Numbers where other information in the cells will not match. In the following two examples, the only difference is that the COMP_ID: number is different, but for my purposes, the second example is a duplicate and needs to be removed. I have hundreds of rows of this type of information with various part numbers: ...

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Identifying Duplicate Numbers In Same Row In Multiple Columns

Jun 9, 2014

I have unit measures that are converted across four columns (FT, SQFT, SQM and SQY).

THere are three units in rows (BOX, Skid and Roll). I am trying to identify in a column labeled "Duplicate Volume" with a formula stating "YES" if there are duplicate numbers (volumes) in any of the four conversion columns listed above. I tried to attach an excel file here but the system will not accept it. Hopefully the diagram i make below will be enough to understand the concept:

Unit Name FT SQFT SQM SQY Duplicate?

BOX 0 0 15 0
BOX 0 0 20 20 YES
Skid 0 10 10 10 YES
Skid 0 0 0 15
Roll 100 10 2 1.5
Roll 0 0 40 40 YES

I have over 50 thousand rows of this stuff...so looking at the data to decide if there are duplicates will not happen.

Any formula that i can put in the column titled "Duplicate" that can identify the duplicates with a "YES" in the cell where duplicates are found?

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RANK Duplicate Numbers Without Missing In Sequence?

Jul 18, 2014

Attempting to do a spreadsheet for my golf club, to record scores, etc...

Managed to get it to pretty much what I want despite some very extreme looking formulae! So for some scores such as 56,56,57,57,54,54, Rank would just give me 3,3,5,5,1,1, so I have put a second column next to 56,56,57,57,54,54 where I input scores to seperate ties (better back nine scores), so in the above I would have for example 30,29 next to the two 56s, 27,29 next to the two 57s, and 27,28 next to the two 54s, so the rank would return 4,3,5,6,1,2. I have gone three stages further, so if, the back nine score was also tied, I have a column for the last 6 hole score, the last 3 hole score and even the last hole score. This is some serious formulae at this point. However, I now want the OPTION to rank the original data as 2,2,3,3,1,1 if I don't put any data in the back nine column.

This is so that I can input doubles scores on the same spreadsheet as singles scores, so if two people shoot the same score in singles I can input the back 9 scores etc to decide who comes out ahead, but in doubles I would just leave the back nine score blank, and then two people would share 1st in the rank, but then I need two 2nd ranks NOT 3rd ranks as it currently is.

Just so you can see how complex it is the current forumlae in the rank is here is an example:

=IF(O7="","",IF(K$2="MEDAL",RANK(O7,O$7:O$255,1)
+SUMPRODUCT(--(O7=O$7:O$255),--(P7>P$7:P$255))
+SUMPRODUCT(--(O7=O$7:O$255),--(P7=P$7:P$255),--(Q7>Q$7:Q$255))

[Code] .....

There are other things in there to sort out a few other issues as well, but I cant see the wood for the trees so to speak, to get it todo what I want!

I have also attached a sample from my spreadsheet to better demonstrate what I want!

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Macros To Identify Duplicate Invoice Numbers

Aug 18, 2014

My boss gave me a project and need to be done as soon as possible. Basically, i just need to join all of database and then identify duplicates and put them in another sheet in order to investigate if there are any double payments.

Duplicates can be:

- invoices with same vendor name having same or comparable amounts
- invoices with Invoice No. which match or closely match (in case we're mis-keying)

I've tried so many ways to find duplicates that fulfill the 2 conditions above, but still cannot make it done.

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Average Of Highest 48 Of 52 Radom Numbers With Duplicate Low #'s

May 2, 2006

I must determine out of 52 radom numbers the average of the 48 highest even
if one or more of the lowest numbers is repeated 7 times without exempting
the 3 out of the 7 that must be included in the 48 to extract the average.

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Excel 2010 :: Finding Duplicate Numbers?

Jun 15, 2014

Using Office 2010.

I am trying to find duplicate numbers in sets but so far I can only highlight the ones that are in exact order. I need to find each set that has the same numbers, in any order. Example..

I will provide an example of sets of 3. But I get 3, 4 usually but sometimes 5 or 6.

I get them from different people.

Person A- 234, 569, 498, 849, 848,343,567,347 etc...

Person B- 432, 596, 677, 566, 565,433, 455 etc..

Now I need to find each set that has the same numbers, any order. Like 234 from A and 432 from B would be the same, so I would need to highlight them 2 sets. But I can not figure out how to do this. For Excel to highlight it they have to be 234 and 234. Does not recognize same numbers, different order.

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Auto Add Unique Id When Duplicate Numbers Exist

Dec 10, 2008

I receive a csv spreadsheet in which Column A contains ID's like this

LS-X23268370.944849537037037
LS-X23181010.445011574074074
LS-X23181010.444930555555556
LS-X23399640.612361111111111
LS-X23399640.612395833333333
LS-X23399640.612407407407407
LS-X23399640.612395833333333
LS-X23399640.612395833333333
LS-X23399640.612407407407407
LS-X23399640.612407407407407

As you can see, some of these are identical. Fort example there are 3 copies of

LS-X23399640.612395833333333

I'd like to run a macro that effectively looks for duplicates and appends a letter to the end so the example above I would end up with..

LS-X23268370.944849537037037
LS-X23181010.445011574074074
LS-X23181010.444930555555556
LS-X23399640.612361111111111
LS-X23399640.612395833333333a
LS-X23399640.612407407407407a
LS-X23399640.612395833333333b
LS-X23399640.612395833333333c
LS-X23399640.612407407407407b
LS-X23399640.612407407407407c

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Feb 27, 2014

my spreadsheet has duplicate serial numbers in column A and the corresponding row in column B has mutliple descriptions for the same serial number. I need to combine those descriptions into 1 cell rather than having multiple rows for the same serial number. is there an IF formula that I can combine with a concatenate that will capture what I need?

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Find Duplicate Table But With The Numbers In Each Of The Cells Doubled

Jul 3, 2009

I have a table that is 94 columns *12 rows each cell has a different number I need to find a way to duplicate the table but with the numbers in each of the cells doubled.

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Dec 8, 2009

I have a sheet where i want to delete duplicate rows where column A and column B combined are equal, i.e. range(Ax:Bx) where x is the current row. I am using the macro below but cant seem to get it working as I keep getting a type mismatch error and Im not sure why.

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Split Range Of Numbers From One Cell Into Column Of Multiple Cells All With Individual Numbers

Mar 5, 2012

I have a mass of data which look something like this:

table removed

and I require the ranges of reference numbers to be listed in a column one above the other, which requires inserting new rows. I also need the date & description columns copied down into the newly inserted rows.

So basically for example I would want the top row to now read:

table removed

and then apply the same procedure to the other ranges below this.

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Matching Pairs - Column To Automatically Populate With Any Of 3 Digit Numbers That Share Two Numbers

Mar 12, 2013

This is what I need:

Columns B, C, D & E are all populated with 3 digit numbers.

I would like column F to automatically populate with any of the 3 digit numbers that share two numbers, i.e.

F2 might look like this (using 00 as the pair):

001, 040

F3 might look like this (using 01 as the pair):
701, 051, 110, 001, 120

F4 might look like this (using 12 as the pair):
123, 721, 281, 912, 112, 120

etc...

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