How to Use TEXTJOIN in Excel

What this does

TEXTJOIN joins many values into one string with a delimiter you set once, and it accepts a whole range rather than item-by-item arguments — its two big advantages over CONCATENATE. The first argument is the separator (for example ", "), the second decides whether blank cells are skipped (TRUE) or kept as empty slots (FALSE), and then you point it at a cell, a range, or several of them. With ignore_empty TRUE you never get doubled-up delimiters from gaps in the data. Keep the inputs visible and clearly labelled and the whole thing stays auditable — anyone who opens the file later, including you, can see at a glance exactly what feeds the result and change one assumption without hunting through the formula. For “use textjoin in excel”, the reliable version is a short checking loop, not just the first command that appears to work. Run it on a deliberately small range first, watch how the affected cells change, and only then apply the same setup to the full sheet. When a formula is involved, keep the inputs labelled beside it, reference cells instead of typing values, and apply number formatting only after the result checks out. That is what makes a text operation that turns messy entries into clean, usable data useful in real work: repeatable, auditable, and not dependent on memory or luck.

A worked example

Tags sit in A2:A6 as "red", "", "blue", "", "green" with two blanks. =TEXTJOIN(", ", TRUE, A2:A6) returns "red, blue, green" — the comma-space separates each value and the empty cells are skipped, so there are no ", ," gaps. With FALSE instead of TRUE it would return "red, , blue, , green", keeping the blanks as empty entries. TEXTJOIN is the modern way to build delimited lists from a column — comma-separated tags, address lines, email recipients — joining a range in one step and skipping the blanks. Check the referenced cells, argument order and result type in your workbook. Start with the worked example before changing an input, then compare the changed result with the calculation you expected. An error value or a result of a different type is a reason to inspect the inputs and arguments.

In Google Sheets

Function availability: TEXTJOIN: Excel 2019+. These are Microsoft's version markers; earlier perpetual releases do not include these functions. Check the actual product and update channel before using the formula. A marker does not establish an identical Web/Mac workflow or Google Sheets support. Keep this page bookmarked for the next time the same question comes up. Better still, repeat the steps once in your own workbook — doing it yourself is what turns a copied answer into something you remember. For “use textjoin in excel”, keep the input cells and the result visible while you check the formula in Excel. Follow the worked example and change one input at a time. The steps explain the workbook calculation; this page does not run a live calculator for that task.

Common mistakes

• Swapping the first two arguments — the delimiter comes first and ignore_empty second, not the other way around.
• Leaving ignore_empty as FALSE on data with gaps, which produces ugly doubled delimiters like "red, , blue".
• Forgetting the quotes around the delimiter, so a literal separator such as ", " is misread and the formula errors.

Frequently asked questions