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How to automatically increase letter by one to get the next letter in Excel?

Author: Siluvia Last Modified: 2020-04-28

Supposing you have a cell contains letter AB, you need to increase the last letter by one to get the next letter AC, AD…and so on. Or you have a letter A, and want to increase the letter to B, C…in order to create a letter list. How to achieve it? This article can help you in details.

Increase letter AB by one to get AC, AD…with formula
Increase letter by one to get the letter list with formula
Increase letter by one to get the letter list with User-defined function

Increase letter AB by one to get AC, AD…with formula

Please do as follows to increase letter by one in Excel.

1. Select a blank cell below the given letter, enter the below formula into it and then press the Enter key. 

=IF(RIGHT($A2,1)="Z", CHAR(CODE(LEFT(A2,1))+1),LEFT(A2,1))&CHAR(65+MOD(CODE(RIGHT(A2,1))+1-65,26))

Note: In the formula, A2 is the cell contains the given letter.

2. Keep selecting A3, drag the Fill Handle down to get the list of letters you need.

Increase letter A by one to get the letter list with formula

You can use the =CHAR(CODE(A1)+1) formula to increase letter by one in Excel. Please do as follows.

1. Select a blank cell below the given letter, enter formula =CHAR(CODE(A2)+1) into the Formula Bar and then press the Enter key. See screenshot:

2. Select the result cell, drag the Fill Handle down to get the letter you need.

Note: With this formula, after getting the letter Z, if you keep dragging the Fill Handle down, you will get some special characters as below screenshot shown. If you want to get letter AA after Z, the following user-defined function can help you.

Increase letter by one to get the letter list with User-defined function

The following user-defined function can also help you to increase letter by one in Excel.

1. Press Alt + F11 keys simultaneously to open the Microsoft Visual Basic for Applications window.

2. In the Microsoft Visual Basic for Applications window, click Insert > Module. Then copy and paste the below VBA code into the Module window.

VBA code: Increase letter by one to get the letter list

Function ColLtrs(i As Long) As String
    ColLtrs = Replace(Cells(1, i).Address(False, False), "1", "")
End Function

3. Press Alt + Q keys to close the Microsoft Visual Basic for Applications window.

4. Select a blank cell below the given letter, enter formula =ColLtrs(ROW()), and then press the Enter key to get the second letter.

2. Select the result cell, drag the Fill Handle down to get the letter you need.

Note: With this method, letters you increased are based on the row number. You need to start the first letter A in the first row of the worksheet, otherwise, the letter will getting disordered.

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Comments (21)
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rajan kumar
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is there any formula to increase or write ascending order like 1nc1, 1nc2, 1nc3.....
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crystal
crystal     rajan kumar
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Hi,

To create an incrementing sequence like "1nc1", "1nc2", "1nc3", etc., in Excel, you can use a formula that leverages the row number to generate the numeric part of the sequence.

Assuming you want to start this sequence in cell A1, you would enter the following formula in A1:
="1nc" & ROW(A1)
Then, drag this formula down to the desired number of rows. Each cell will generate a part of the sequence based on its row number. For example, cell A2 will display “1nc2”, A3 will display “1nc3”, and so on.

The logic behind this formula is:
ROW(A1) returns the row number of cell A1, which is 1.
"1nc" & ROW(A1) concatenates the string “1nc” with the row number, creating “1nc1”.
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Mayra Lopez
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I need a code to help make my rows from 1-A to 1-Z please
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crystal
crystal     Mayra Lopez
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Hi Mayra Lopez,
The VBA code provided in the post is still helpful, but you need to apply the following formula to get the results you need:
="1-"&ColLtrs(ROW())
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Willie B
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How would I create a formula that advances like this?:

AAAAAAAAA
AAAAAAAAB
AAAAAAAAC
AAAAAAAAD
etc.
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crystal
crystal     Willie B
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Hi Willie B,
You can try the VBA code provided in the post. After adding the code, use this formula to get the result you need:
="AAAAAAAA"&ColLtrs(ROW())
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Rachel Hita
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I need a code for increasing my row cell values from AA-01-A01, AA-01-A02 to AA-01-B01, AA-01-B02. And I also need a code for my colomn cell values from AA-01-A01, AA-01-A02 to AA-03-A01, A-03-A02. Help.
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KarenS
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I need a code from A-Z, AA-ZZ, AAA to ZZZ, AAAA to ZZZZ
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crystal
crystal     KarenS
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Hi,Sorry can't help with this problem. You can post the problem to the forum below to get help from other Excel enthusiasts.
https://www.extendoffice.com/forum/kutools-for-excel.html 
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