The Find & Replace tool does the work for you

Microsoft Word's Find & Replace feature lets you search for a word or phrase and swap it out for something else throughout your document in seconds. You open it with Ctrl+H on Windows or Command+Option+F on Mac, type what you want to find and what you want to replace it with, then choose whether to change one instance or all of them at once.

This saves you from scrolling through a 50-page document hunting for every mention of "2024" when you need to change it to "2025", or fixing a name that was spelled wrong from the start. You can also use it to swap formatting — to make all instances of a word bold, or to change how a phrase appears without touching the words themselves.

Key Takeaways

  • Open Find & Replace with Ctrl+H (Windows) or Command+Option+F (Mac), then type the text you want to find and the text you want to replace it with.
  • Click "Replace All" to change every instance at once, or "Replace" to change them one at a time so you can review each match.
  • Use "Match case" if you need to distinguish between "Word" and "word", or "Whole words only" to avoid changing "cat" inside "category".
  • The "More Options" or "Format" button lets you search for and replace text that has specific formatting, like bold or a particular font size.

Opening Find & Replace and entering your search terms

Press Ctrl+H if you are on Windows, or Command+Option+F if you are on Mac. The Find & Replace dialog box opens. You will see two text fields: "Find what" at the top and "Replace with" below it.

Type the word or phrase you want to find in the "Find what" field. Type what you want to replace it with in the "Replace with" field. If either field is empty, Word will not run the search. Once both fields have text, you are ready to choose how to replace.

Replacing one instance at a time or all at once

After you enter your search and replacement text, you have two main choices. Replace changes only the next match it finds — Word highlights it in your document so you can see it before you confirm. This is slower but safer, because you can skip any matches that are not what you meant to change.

Replace All changes every match in the entire document without stopping. Use this when you are certain the search term appears only where you want it changed. For example, if you are replacing a name that appears nowhere else in the document, "Replace All" is fast and reliable. If the term might appear in different contexts — like "read" (past tense) versus "read" (present tense) — use "Replace" to check each one.

Word shows you a message when it finishes, telling you how many replacements it made. If the number surprises you, press Ctrl+Z to undo and try again with a more specific search term.

Using Match Case and Whole Words Only to narrow your search

The Match case option makes Word treat uppercase and lowercase letters as different. If you search for "Word" with "Match case" on, it will not find "word" or "WORD". Turn this on when you need to replace a proper noun (like a person's name) without accidentally changing the same letters in the middle of another word.

Whole words only prevents Word from finding your search term inside a longer word. If you search for "cat" without this option, it will find "cat", "category", "concatenate", and "scatter". With "Whole words only" on, it finds only "cat" standing by itself. Use this when you want to replace a complete word and leave similar words untouched.

Both options are in the Find & Replace dialog. Look for checkboxes labeled "Match case" and "Whole words only" — you may need to click "More Options" or a similar button to see them if they are hidden by default.

Replacing text that has specific formatting

You can search for and replace text based on how it looks, not just what it says. Click the Format button or More Options button in the Find & Replace dialog (the exact label depends on your version of Word). This expands the dialog to show formatting choices.

To find text with a specific format — for example, all instances of a word in bold — type the word in the "Find what" field, then click Format and choose the formatting you want to match (bold, italic, font size, color, and so on). To replace it with the same word in a different format, type the word in the "Replace with" field, click Format again, and choose the new formatting.

You can also search for formatting without searching for specific text. Leave the "Find what" field empty, set the formatting you want to find, then set different formatting in the "Replace with" field. This changes all text with that formatting throughout the document, regardless of what the text says.

Undoing a replacement if it went wrong

If you click "Replace All" and the results are not what you expected, press Ctrl+Z when ready to undo. Word reverses the entire replacement operation and restores your document to how it was before you opened Find & Replace.

This works even if you closed the Find & Replace dialog. As long as you have not made other changes to the document since the replacement, Ctrl+Z will undo it. If you have made other changes, you can still undo, but it will reverse those changes too — you may need to redo them afterward.

Finding and replacing without opening the dialog

If you only need to find text (not replace it), press Ctrl+F on Windows or Command+F on Mac. This opens the Find pane, which is simpler than Find & Replace. Type your search term and Word highlights every match in your document. You can click the arrow buttons to jump from one match to the next.

The Find pane is useful when you just want to locate something without changing it, or when you want to see how many times a word appears. To switch from Find to Find & Replace, click the arrow or expand button in the Find pane — it usually says "Replace" or has a downward arrow icon.

Frequently Asked Questions

Can I search for line breaks or paragraph marks?

Yes. In the Find & Replace dialog, click "More Options" or "Format", then look for a button labeled "Special" or similar. This shows you codes for line breaks, paragraph marks, tabs, and other invisible characters. Select the code you want to find, and Word will search for it just like text.

What if I want to replace something only in part of my document?

Select the section of text you want to search before opening Find & Replace. Word will search only within your selection. If you do not select anything, it searches the entire document.

Does Find & Replace work in headers, footers, and text boxes?

Yes, but only if you are not inside them when you open Find & Replace. If you want to search headers and footers, close them first (double-click in the main document area), then open Find & Replace. Word will search the whole document including headers and footers.

Can I use wildcards or patterns to find text?

Yes, if you enable it. In Find & Replace, click "More Options" and check the box for "Use wildcards" or "Regular expressions" (the exact name varies by Word version). This lets you search for patterns like "any digit" or "any letter" instead of exact text. The syntax is technical, so check Word's help if you need this feature.

What happens if the Find & Replace dialog says "Search key not found"?

Word could not find any text matching what you typed in the "Find what" field. Check for typos, extra spaces, or capitalization differences. If you have "Match case" or "Whole words only" turned on, try turning them off and searching again.