The fastest way to change text case in Word

Open your document and select the text you want to change. Go to the Home tab on the ribbon at the top. In the Font group, click the Change Case button — it looks like an "Aa" with a dropdown arrow. Choose lowercase from the menu. Word converts your selected text immediately.

If you cannot find the Change Case button, your version of Word may place it differently. Try clicking the Format menu instead, then look for Text or Change Case. The option exists in every version of Word, though the location varies slightly between older and newer releases.

Key Takeaways

  • Select the text first, then use Home > Change Case > lowercase to convert it in one click.
  • Word offers five case options: lowercase, UPPERCASE, Capitalize Each Word, tOGGLE cASE, and Sentence case.
  • The Change Case button is in the Font group on the Home tab in modern versions of Word.
  • You can change case for a single word, a paragraph, or your entire document — just select what you want to change before clicking.

Where to find Change Case in different Word versions

In Word 2016, 2019, and Microsoft 365, the Change Case button sits on the Home tab in the Font group, next to the font color and highlighting options. Click the small arrow next to the "Aa" icon to open the dropdown menu.

In Word 2010 and 2013, the button is in the same location. If you use an older version like Word 2007, go to the Format menu at the top, select Text, then choose your case option. Online Word (Word on the web) also has this feature — look for it under Home > Font.

If you still cannot locate it, try using the keyboard shortcut instead. Highlight your text and press Shift + F3 repeatedly to cycle through different case options until you reach lowercase.

What happens when you change case

Word changes only the case of the letters themselves — it does not alter formatting, font, size, color, or any other properties. If your text is bold or italicized, it stays bold or italicized. If it is red, it stays red. Only uppercase letters become lowercase letters.

The change is permanent once you apply it, but you can undo it immediately by pressing Ctrl + Z (or Cmd + Z on Mac). If you close the document without saving, the change is lost and your original text remains.

The five case options Word offers

When you click the Change Case dropdown, you see five choices. Sentence case capitalizes only the first letter of the sentence and proper nouns. lowercase makes every letter small. UPPERCASE makes every letter capital. Capitalize Each Word puts a capital letter at the start of each word. tOGGLE cASE flips every letter — uppercase becomes lowercase and vice versa.

Most people use lowercase, UPPERCASE, or Capitalize Each Word. Toggle case is rarely useful outside of specific formatting tricks. Sentence case is helpful when you have text that is all capitals and you want it to look normal again.

Changing case for part of your document

You do not have to change the entire document. Select only the words or paragraphs you want to modify, then use Change Case. Click at the start of the text you want to change, hold down your mouse button, and drag to the end. The selected text will highlight in blue. Then open the Change Case menu and choose lowercase.

If you want to change case for multiple separate sections that are not next to each other, select the first section, hold Ctrl (or Cmd on Mac), and click to select additional sections. Word will highlight all of them, and Change Case will apply to every highlighted area at once.

Using keyboard shortcuts instead of the menu

The keyboard shortcut Shift + F3 cycles through case options without opening any menu. Select your text and press Shift + F3 once to switch to the next case option. Press it again to move to the next option, and keep pressing until you reach lowercase. This method is faster if you are changing case frequently.

The order of the cycle is: lowercase, UPPERCASE, Capitalize Each Word, and then back to lowercase. There is no way to jump directly to a specific case using only the keyboard — you have to cycle through. If you need to change case often, memorize how many times you need to press Shift + F3 to reach your preferred option.

What to do if Change Case is not working

If the Change Case button is grayed out or does not respond, you probably have not selected any text. Click and drag to highlight the text you want to change, then try again. The button only works when text is selected.

If the button is still grayed out after you select text, check whether the text is inside a text box, header, footer, or comment. Word sometimes restricts formatting options in these areas. Try copying the text into the main body of the document, changing the case there, and then moving it back.

If Word is frozen or not responding, save your document, close it, and reopen it. Restart Word if the problem continues. This solves most technical glitches.

Frequently Asked Questions

Can I change case without selecting text first?

No. You must select the text before you use Change Case. If you do not select anything, the button will be grayed out. Click and drag to highlight the words you want to change, then open the Change Case menu.

Does changing case affect numbers or punctuation?

No. Numbers and punctuation marks stay exactly the same. Only letters change. If your text contains "123 ABC!", changing it to lowercase produces "123 abc!" — the numbers and exclamation mark do not move or change.

Can I change case in a table or header?

Yes. Select the text inside the table cell or header, then use Change Case as normal. Word treats text in tables and headers the same way it treats text in the main document body.

What if I change case by mistake?

Press Ctrl + Z (or Cmd + Z on Mac) immediately to undo the change. You can undo multiple times to go back several steps. If you have already saved the document, you will need to manually change the case back.

Does this work the same way in Google Docs?

Google Docs has a similar feature but in a different location. Highlight your text, go to Format > Text, then choose your case option. The options and results are the same as in Word.