How to Concatenate in Excel with a Comma

Using TEXTJOIN Function

Excel's TEXTJOIN() function enables concatenation of strings using a specified delimiter. To concatenate a column with a comma, use =TEXTJOIN(",", TRUE, A:A). This function is efficient for Office 365 users and allows the inclusion of a delimiter, such as a comma, while ignoring empty cells.

Alternative Method: CONCAT Function

While the CONCAT() function merges strings, it lacks native support for delimiters. However, users can combine CONCAT() with SUBSTITUTE() or TRIM() functions to simulate a comma-separated list. This method is less direct than TEXTJOIN() but available for Office 365 users.

Using VBA for Custom Concatenation

For advanced customization, Excel's VBA can be used to create a function that concatenates a column with a comma separator. This solution is best for users with programming knowledge and requires writing a script to loop through cells and combine their values.

PowerQuery: Advanced Concatenation

PowerQuery, a data transformation tool in Excel, can concatenate columns using a comma. Use Table.Transpose and Table.CombineColumns in PowerQuery to achieve this. This method is suitable for handling large datasets and complex data structures.

TRANSPOSE Function

The TRANSPOSE() function switches rows to columns and vice versa but does not directly concatenate with a comma. It can be used in combination with other functions to transpose a range before concatenating.

Common Use Cases

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  Combining names from separate first and last name columns into a full name with a comma separator
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  Merging address components such as street, city, and zip code into a single cell
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  Creating a single string from multiple product attributes for a streamlined inventory list
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  Assembling a list of email recipients in one cell for a mass mailing campaign
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  Concatenating various data points with a comma for CSV file preparation

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