Ever typed a full paragraph in lowercase and realized it needs to be ALL CAPS? Good news—Microsoft Word makes it ridiculously easy to capitalize all letters without retyping a single word.

In this guide, you’ll learn every working way to capitalize all letters in Word, including keyboard shortcuts, MacBook methods, mobile (iPhone & Android), and even Chromebook steps.
Why Capitalizing Text in Word Matters
Capital letters are commonly used for:
- Headings and titles
- Legal documents
- Forms and applications
- Acronyms and labels
- Professional formatting
Knowing the right method saves time and keeps your formatting clean.
Method 1: Capitalize All Letters in Word Using Keyboard (Fastest)
This is the most popular and fastest method.
Steps:
- Select the text you want to change
- Press Shift + F3
- Keep pressing until the text becomes ALL CAPS
✔️ Works on Windows
✔️ No menus needed
This directly answers:
how to capitalize all letters in Word using keyboard
Method 2: Capitalize All Letters Using the Change Case Button
Perfect for beginners.
Steps:
- Highlight your text
- Go to the Home tab
- Click the Aa (Change Case) icon
- Select UPPERCASE
Your selected text instantly converts to capital letters.
Method 3: How to Capitalize All Letters in Word Shortcut
If you love shortcuts, remember this:
Shortcut:
👉 Shift + F3
It toggles between:
- lowercase
- UPPERCASE
- Capitalize Each Word
This covers:
how to capitalize all letters in Word shortcut
Method 4: How to Capitalize All Letters in Word on Mac / MacBook
Mac users aren’t left out 🍎
Steps:
- Select the text
- Press Shift + Fn + F3
✔️ Works on MacBook Air & Pro
✔️ Same toggle behavior as Windows
This answers:
- how to capitalize all letters in Word on Mac
- how to capitalize all letters in Word MacBook
Method 5: How to Capitalize All Letters in Word Mobile (Android & iPhone)
On mobile, Word doesn’t have a direct “Change Case” button—but here’s the workaround.
For Android & iPhone:
- Select the text
- Turn on Caps Lock on your keyboard
- Re-type or paste the text
📱 For iPhone specifically:
- Use Select All → Cut → Paste, then retype with Caps Lock
This covers:
- how to capitalize all letters in Word mobile
- how to capitalize all letters in Word on iPhone
Method 6: How to Capitalize All Letters in Word on Chromebook
Chromebook users can use Word Online.
Steps:
- Select the text
- Go to Home → Change Case (Aa)
- Choose UPPERCASE
💡 Shortcut support may vary in browser-based Word.
This answers:
how to capitalize all letters in Word on Chromebook
Common Mistakes to Avoid
- ❌ Forgetting to select text first
- ❌ Using Caps Lock while typing long paragraphs
- ❌ Manually retyping instead of using shortcuts
- ❌ Assuming mobile Word has desktop features
Related Office Guides You’ll Love (Internal Links)
If you work with Word and Excel often, these guides pair perfectly:
- 🔗 Refresh Excel data instantly
https://multicaretechnical.com/how-to-refresh-a-pivot-table-in-excel-update-data-instantly - 🔗 Remove duplicate data easily
https://multicaretechnical.com/how-to-delete-duplicates-in-excel-easy-step-by-step-guide - 🔗 Move Excel columns without breaking data
https://multicaretechnical.com/how-to-move-columns-in-excel-without-breaking-your-data
Quick FAQ Snippets (AI Overview Friendly)
How do I capitalize all letters in Word?
Select the text and press Shift + F3 until it changes to uppercase.
What is the shortcut to capitalize all letters in Word?
The shortcut is Shift + F3 on Windows and Shift + Fn + F3 on Mac.
Can I capitalize all letters in Word on iPhone?
Word mobile doesn’t support change case directly. Use Caps Lock to retype or paste text.
Does this work on MacBook?
Yes, MacBooks support the same change case feature using Fn + F3.
Final Thoughts
Whether you’re on Windows, Mac, iPhone, Android, or Chromebook, Word gives you multiple ways to capitalize all letters instantly. Once you memorize the shortcut, you’ll never waste time retyping text again.
Small trick—big productivity win.