In Excel: prepare one header row in Excel, save the workbook, then in Word use Mailings ▸ Select Recipients ▸ Use an Existing List and insert merge fields from that sheet.
Put one clean header row at the top of the Excel list.
Remove blank rows, merged cells and totals from the recipient data.
Save the workbook, then open Word and start the mail merge from the Mailings tab.
Select the Excel workbook as the recipient list, insert fields, preview results and finish the merge.
What this does
Mail merge uses Excel as the recipient database and Word as the document template. Each Excel row becomes one letter, label, envelope or email; each column header becomes a merge field such as FirstName, Company or AmountDue. Clean headers and consistent data types matter because Word reads the first row as field names. The same idea underpins a lot of everyday Excel work, so the few minutes spent getting it right here pay back across every sheet you build afterwards. Treat it as a pattern, not a one-off, and it stops being something you look up and starts being something you reach for. For “do a mail merge for labels 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 this is a ribbon command, the selection matters more than the button: confirm the range, apply the command, then spot-check the output before saving. 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
A sheet named Customers has headers FirstName, LastName, Address and Balance. Save and close the workbook, open Word, choose Mailings ▸ Start Mail Merge ▸ Letters, then Select Recipients ▸ Use an Existing List and pick Customers. Insert FirstName and Balance fields; preview shows each row merged into the letter. Mail merge is the practical bridge between spreadsheet lists and personalized documents: invoices, notices, labels, certificates and any message that repeats with row-specific details. One habit worth forming early: name the cells that hold your inputs, so the formula reads in plain language instead of a string of cell addresses. A reviewer — or you in three months — can then follow the logic without decoding what B7 and D2 were supposed to mean, which is most of what makes a sheet maintainable.
In Google Sheets
Google Sheets handles this almost identically to Excel. The formula syntax above is the same, and the menu lives under a slightly different label rather than a ribbon tab. Use the platform toggle at the top of the page to switch every keyboard shortcut between Windows and Mac, and expect at most cosmetic differences in naming. Keep this page bookmarked for the next time the same question comes up. Better still, rebuild the example once in your own sheet — doing it yourself, with the tool above to check against, is what turns a copied formula into a technique you own. The short version of “do a mail merge for labels in excel”: the answer is at the top of this page, the tool proves it on your own numbers, and the sections above explain why it holds so the next variation does not stump you. Excel rewards people who reference cells instead of typing values and who keep inputs separate from formulas, because that is what makes a result you can audit months later. Build it once, deliberately, with the live tool as a check, and you convert a one-off lookup into a reusable skill — which is the whole point of learning the why and not just the what.
Common mistakes
- Using merged cells or multi-row headers, which Word cannot treat as clean field names.
- Leaving the workbook unsaved or open in a way that prevents Word from reading the latest data.
- Formatting ZIP codes or IDs as numbers, which can drop leading zeros during merge.
- Forgetting to preview several records before printing hundreds of letters or labels.
Frequently asked questions
Can Word mail merge directly from Excel?
Yes. Word reads a worksheet or named range from an Excel workbook as the recipient list.
Why are leading zeros missing?
Excel stored the values as numbers. Store ZIP codes and IDs as text before merging.
Can I filter recipients?
Yes. In Word, use Edit Recipient List to filter and sort the Excel rows before finishing.