Assuming your data starts in A1 I would put the following in column B:

B1:

=A1

B2:

=B1&","&A2

You can then paste column B2 down the whole column. The last cell in column B should now be a comma separated list of column A.

Answer from Sux2Lose on Stack Exchange
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Capitalize My Title
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Convert Column to Comma Separated List
Have your text ready in one column in Excel. In the column next to the column you want to convert to a comma-separated string, enter the cell reference and (&”,”) without the paratheses.
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Convert Town
convert.town β€Ί column-to-comma-separated-list
Convert Column to Comma Separated List Online
Convert column of data to comma separated list of data instantly using this free online tool.
Discussions

csv - Converting Excel values into double quotation with commas between them - Stack Overflow
I have a column of numbers in Excel and I want to convert it into list of numbers with double quotation on each element separated by comma and no space between each number. Excel has: ID 201 202 ... More on stackoverflow.com
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Converting multiple columns/rows of text into comma seperated rows of text
u/PlebPlebberson - Your post was submitted successfully. Once your problem is solved, reply to the answer(s) saying Solution Verified to close the thread. Follow the submission rules -- particularly 1 and 2. To fix the body, click edit. To fix your title, delete and re-post. Include your Excel version and all other relevant information Failing to follow these steps may result in your post being removed without warning. I am a bot, and this action was performed automatically. Please contact the moderators of this subreddit if you have any questions or concerns. More on reddit.com
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June 7, 2023
Surround values with single quote
Hi, I created the below sub to convert a single column of values (of varying amounts) into a single, comma separated string. Thus if Column A on "Sheet1" contains: 50 55 60 65 70 75 The procedure will convert that to a comma separated string on a new worksheet ("List1"), e.g.: 50, 55, 60, 65... More on mrexcel.com
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March 23, 2018
vba - How to add single quote and comma to all values in a column? - Stack Overflow
I have a column host with following values: server1.abc.com server2.abc.com server3 Now, I want each of these values to be single quotes and separated by comma. The output should be like as below... More on stackoverflow.com
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UtilHatch
utilhatch.com β€Ί home β€Ί blog β€Ί how to convert an excel column to a comma separated list
How to Convert an Excel Column to a Comma Separated List
2 weeks ago - If you only need the list once, use the Column to Comma Separated List converter. It is faster than writing a formula and gives you the cleanup options that matter most: comma plus space, duplicate removal, trimming, blank-line removal, and quote wrapping. If the spreadsheet will keep changing, use a formula such as TEXTJOIN in Excel or JOIN in Google Sheets.
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ExtendOffice
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How to convert column list to comma-separated list in Excel?
July 3, 2025 - Learn how to convert a column list to a comma-separated list in Excel using functions like TEXTJOIN and CONCATENATE, VBA code, or the Kutools add-in.
Find elsewhere
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The Bricks
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How to Convert Column to Row in Excel with Comma Separated List
February 12, 2025 - In an empty cell, begin typing the formula: =CONCATENATE( Click on the first cell in your list (A2), then type a comma. Type your delimiter in double quotes (", "), followed by another comma.
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The Bricks
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How to Turn an Excel Column into a List with Commas
February 20, 2025 - For the first argument, the delimiter, type ", " (including the quotes). This tells Excel to separate each name with a comma followed by a space for cleaner formatting.
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TendersOnTime
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Column To Comma Separated List | Tools | TendersOnTime
1 day ago - Our free comma separator tool automatically converts a column to a comma list or list to CSV (comma-separated values). Copy your column of data and watch the conversion happen. You can do the reverse and convert a delimited list to a column. You can use our comma separator tool to convert column lists to comma-separated value (CSV) lists quickly and easily.
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C4Calculators
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Comma Separator Tool – Convert Column to Comma Separated List Online - C4Calculators
March 24, 2026 - Quickly convert column data into a clean, formatted list using commas, pipes, or semicolons. Perfect for Excel, SQL, coding, and data formatting tasks. ... Trim spaces Remove duplicates Wrap in single quotes (β€˜value’) Wrap in double quotes (β€œvalue”)
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Convert a column into a comma separated list in Excel - YouTube
In this video, we'll explore how to convert a column into a comma-separated list in Excel using the TextJoin function. By the end of this tutorial, you will ...
Published Β  November 22, 2024
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ExcelDemy
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How to Convert a Column into a Comma Separated List With Single Quotes - 5 Methods - ExcelDemy
August 9, 2024 - The ampersand sign (&) will join the single quotes (β€˜β€™) and the commas (,) with the cell values to create a comma separated list with single quotes. Press ENTER to see the result. Read More: How to Convert Columns to Rows in Excel (2 Methods)
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CodeShack
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Column to Comma Separated List - Free Online Converter
Whatever you choose is placed between every value. Use the Wrap items menu and pick double quotes, single quotes, backticks, parentheses, or square brackets β€” each value gets that wrapper before the items are joined.
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iCert Global
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What is the fastest way to convert a vertical Excel column into a comma-separated list? | iCert Global
April 20, 2026 - The first argument is the delimiter (a comma), the second argument TRUE tells Excel to ignore empty cells, and the third is your range. If you need single quotes for a SQL query, you can use ="'"&TEXTJOIN("','", TRUE, A1:A500)&"'". This wraps ...
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Reddit
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r/excel on Reddit: Converting multiple columns/rows of text into comma seperated rows of text
June 7, 2023 -

I have an excel that has over 3000+ rows of text in different columns that i need to convert into comma seperated text for csv.

Example:

Column1 | Column2| Column3

Name | surname | phonenumber

Name1 | surname1 | phonenumber1

I need to get all of these converted into the following lines of text:

Name,surname,phonenumber

Name1,surname1,phonenumber1

Bonus points if i can convert them to a text format of:

,"XXX","Name","surname","phonenumber","YYY","ZZZ"

,"XXX","Name1","surname1","phonenumber1","YYY","ZZZ"

The xxx, yyy and zzz being static information that is same for every row.

I can do it row by row with =TEXTJOIN() but i cant add the static information and doing it one row at a time seems tedious.

Help pls :>

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TextKit
textkit.dev β€Ί convert column to comma separated list online
Convert Column to Comma Separated List β€” Free | TextKit
... Yes. Use the Delimiter buttons to switch between comma, semicolon, pipe, tab, space, or click Custom to type any separator you like: an arrow (->), multiple characters, or even a word.
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MrExcel
mrexcel.com β€Ί forums β€Ί question forums β€Ί excel questions
Surround values with single quote | MrExcel Message Board
Hi, I created the below sub to convert a single column of values (of varying amounts) into a single, comma separated string. Thus if Column A on "Sheet1" contains: 50 55 60 65 70 75 The procedure will convert that to a comma separated string on a new worksheet ("List1"), e.g.: 50, 55, 60, 65...
Published Β  March 23, 2018
Views Β  1M
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Computing.net
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How to Convert Column List to Comma Separated List in Excel - Computing.net
July 24, 2024 - Now please follow carefully as I walk you through how to use this function. Select a blank cell, such as cell C2 and type the formula =TEXTJOIN to convert a column list to a separated comma-separated list (β€œ,β€œ,TRUE,A1:A8).