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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Duplicate Serial Numbers With Multiple Cells Of Text?

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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Avoiding User From Inputting Duplicate Entry Into Single Cell In Excel

Dec 3, 2013

I have a worksheet in which i am asking a user to enter manually a number in cell E3. Suppose the user starts with 100, then the next time he is entering in E3 he shoudnt be able to enter 100 nor any number less than 100. I dont have a range for the numbers that the user is going to enter.Therefore countif function does not work. Is there any way that i an store the number taht the user enters first in cell E3 and then use that database to avoid the user from entering the same or a number lesser than that number.????

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Avoiding Exponential Numbers During Import

Dec 16, 2008

I have some short code that imports data and account numbers that is "|" delimited. The problem I am having is that during the import, excel converts some of the account numbers to exponential numbers.

e.g. it converts 542690E24 to 5.4269E+29.

Is there a way to avoid this from occuring during the import? I tried to format the destination cells as '000000000' (all accounts are 9 digits) but it didn't work.

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Assigning Serial Numbers

Jan 22, 2009

I have a dynamic list of items which I have to assign serial numbers to.
If the serial numbers go in sequence, it would have been easy.
But the problem is, they don't.

They go from A1 - A9, B1 - B10, C1 - C10 ....
Is there a way I can assign an array to ensure that once the macro hits A9, it starts from B1, and once it hits B10, start from C1?

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Serial Numbers Printing On Each Paper

Jan 11, 2013

I have one page in excel to print. But I want to print it 1000 times and on each paper i need another serial number. How do I do this?

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Find In A Range Of Serial Numbers

Oct 16, 2004

Sheet4 in my book looks like this:
.............A.......................B................................C..................

I......Invoice No…..…Starting Serial No……...……Ending Serial No
2…………ND12………..6011000000013652……. ..6011000000103652
3…………ND13………..6011000000116526……....6011000000246977
4…………RF4……….….6006000001255724……..…6006000011249564
5.........RF4...........6005000000023652.........6005000000095624

note that the last 4 numbers of the series are randomly generated for security reasons and are not part of the range of the the serial No’s

So Invoice ND = 10 consecutive numbers, Invoice ND13 = 14 and Invoice RF4 = 1000 and RF4(again) = 8

The list on this sheet is a mile long

What I need is a “search box” with two windows in it

In one box I will type a serial number and in the second box I will get the Invoice number

The challenge is that the serial number could be between Starting and Ending serial No’s thus if I were to type serial number
6006000001086598 in the first box the answer in the second box will be : RF4

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Incrementing Serial Numbers With Send Key Function?

Oct 3, 2013

I am trying to get Excel to write a series of incremented serial numbers to an external program.
I need 10 per line, then for the code to send ENTER and start writing on the next line. Following is my current code:

For i = 0 To qty - 1
SendKeys prefix_sn & next_sn + i & ","
Next i

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Sum Multiple Values By Serial Numbers In Corresponding Cells

Aug 4, 2014

I have a spreadsheet with a list of about 3800 lines of dollar values in "K" that correspond to various serial numbers in "E".

These serial numbers come up multiple times at different place throughout the 3800 lines.

I know by using SUMIF I can calculate the total value of each serial number, but is there a way to bring the serial numbers across to correspond to the sum of the dollar values?

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Make Serial Numbers From Repeating Names?

Apr 16, 2014

I have repeating 7 names in A column.(Like a name group)

Each group names repeating after a blank(empty) row.

I want to write to B column for each repeating names from 1 to 7 as number value.

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VBA To Generate Random 5 Digit Serial Numbers?

May 31, 2014

I have a userform for keeping records and would love to incorporate a new feature. I would want to generate a random serial number for each entry made with the userform.

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Compares 2 Lists Of 6 Digit Serial Numbers

Oct 10, 2008

I've modified this macro I found on this forum, all it does is compares 2 lists of 6 digit serial numbers and and then tells me which numbers are in list 1 that are not in list 2.

However, I want to modify it so that it also gives me the numbers in list 2 that are not in list 1 (put into column F). I then need it to cut the matching serial numbers (in columns A and B) from sheet 1 and paste them into sheet 2.

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Complex Serial Numbers Count Question

Jan 20, 2010

Put serial numbers against row like above either by the help of formula or either by VBA code.

SrDePNo.Truck No.Vehicle Type
16384LZR7793SM
46385TLC964C
56386LES7540T
66387LES4982T
76388LES 6509T
86389K4470T
96390LWC3070SM
-6391LWC3070SM
106392AJKA 7595T
116393RIC8879T
126394W1649T............

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Different Continuing Serial Numbers In Excel Depending On Day And Month?

Dec 10, 2012

I want to make continuing serial numbers in excel in order to print labels to be able to track my deliveries. i know i can drag the fill cursor to automatically make it go the next number. however i also want my serial number should represent the month and the day the invoice was printed.

for example i want the serial number should be

column a (Jan 01) column b (Jan 02 ) column c (Jan 03)
a1-01-01 a1-02-01 a1-03-01
a1-01-02 a1-02-02 a1-03-02
a1-01-03 a1-02-03 a1-03-02

The first number represents the month (example -a1 for Jan)
The second number represents the day and
The third number represents the invoice

How can i make that when i pul the cursor down it should continue with the invoice number

However when i continue right it should move the day number?

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Dynamic Formulas- List Of Serial Numbers In A Column

May 26, 2006

i have a list of serial numbers in a column, say column a, for example, and i have corresponding data in columns to the right of this, say just column B for example- I also have a header on column B which counts the data in column b. (just a COUNTA, counting occurences of 'x' )

my issue is this: i need to limit the range of the COUNTA dynamically- by the number of serial numbers in column A. for example: if i have 10 serial numbers, i want my COUNTA range to be B1:B10 (excluding header) and... i need this to be a built-in formula, NOT a VBA macro. i need it to update automatically, as soon as another serial number is entered. i've tried using references to named ranges and all sorts of language tricks, and i cant seem to get it to work. (such as:

' =counta(b1:namedrange1)

i'm going to have to do the same thing with COUNTIF's, so if that is also easily explainable,

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Macro To Iterate Alphanumeric Serial Numbers From AAAA001 To ZZZZ999

Oct 3, 2012

i Am trying to get this project underway and can attempt this manually in excel but will take ages. I was wondering if there is a code I can use. I am trying to get a 7 character alphanumeric serial number for units as a 4(alpha) and 3 numeric number. like say AAAA001 , i want to list on a row all the numbers on a sheet right upto ZZZZ999

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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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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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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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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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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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