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Case Conversion

How to Convert Lowercase to Uppercase in Word? Quick Guide

MilkySEO Editorial Team10 min readUpdated May 9, 2026

Learn fast ways to switch text between lowercase and uppercase in Microsoft Word using menu tools, keyboard shortcuts, and AutoCorrect settings on Windows and Mac.

Quick Summary

  • Use the Change Case menu and choose UPPERCASE for instant conversion.
  • Use Shift + F3 to cycle through lowercase, UPPERCASE, and Capitalize Each Word.
  • Use AutoCorrect settings to fix capitalization automatically while typing.
  • Mac users can use Format > Change Case or fn + Shift + F3.
Microsoft Word text case shortcuts including Shift F3, AutoCorrect settings, and different case types like uppercase, lowercase, and sentence case explained

What Does Changing Text Case Mean in Word?

Text case controls how letters appear in a document, such as lowercase, UPPERCASE, Capitalize Each Word, Sentence case, and tOGGLE cASE.

How to Convert Lowercase to Uppercase in Word?

How to convert lowercase to uppercase in Microsoft Word using Change Case button, Shift F3 shortcut, and Mac methods for quick text formatting

Method 1: Use the Change Case Button

  1. Open your Word document and select the text.
  2. Go to the Home tab and click the Aa Change Case button.
  3. Choose UPPERCASE.

Example

BeforeAfter
this is a sample sentence.THIS IS A SAMPLE SENTENCE.

Method 2: Keyboard Shortcut

Select text and press Shift + F3 until the case style you need appears.

Need to convert text instantly without opening Excel? Try our free uppercase to lowercase converter.

Open the free converter

How to Change Uppercase to Lowercase Text in Word

Select the uppercase text, click Aa, and choose lowercase. You can also use Shift + F3.

Shortcut to Change Capital Letters to Small Letters

PlatformShortcutResult
WindowsShift + F3Cycles text case formats
Macfn + Shift + F3Cycles text case formats

Automatic Case Correction in Word

Go to File > Options > Proofing > AutoCorrect Options and enable options like sentence capitalization and day-name capitalization.

Convert Uppercase to Lowercase in Word on Mac

Use Format > Change Case for manual formatting, or use fn + Shift + F3 for quick conversion.

Different Text Case Options in Microsoft Word

OptionExample
lowercasethis is text
UPPERCASETHIS IS TEXT
Capitalize Each WordThis Is Text
Sentence caseThis is text
tOGGLE cASEtHIS IS TEXT

Frequently Asked Questions (FAQs): Case Convert in Word

How do I convert lowercase to uppercase in Word?

Select text, click the Aa menu in Home, and choose UPPERCASE.

What is the shortcut to change case in Word?

Use Shift + F3 on Windows or fn + Shift + F3 on Mac.

Can I convert uppercase text back to lowercase?

Yes. Use the Change Case menu and select lowercase, or cycle with Shift + F3.

Why is Word changing capitalization automatically?

AutoCorrect capitalization settings are enabled. Review them under Proofing settings.

Can I do similar case conversion in Google Docs?

Yes, through Format > Text > Capitalization or via add-ons.

Need to convert text instantly without opening Excel? Try our free uppercase to lowercase converter.

Open the free converter

More case conversion guides from the MilkySEO blog.

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