In regular text editing, one often relies on the Caps Lock and Shift keys to type in uppercase. Besides these methods, there are several quicker ways to format text, saving you a lot of time.
There are two swift methods to convert lowercase to uppercase: using the Change Case feature directly in Word, and the second method is to convert using Unikey.
Method 1: Changing lowercase to uppercase using the Change Case feature in Word.
Utilizing the Change Case feature in Word allows you to perform conversions as follows:
- UPPERCASE: Convert uppercase letters to lowercase.
- lowercase: Convert lowercase to uppercase.
- Sentence case: Capitalize the first letter of each sentence.
- Capitalize Each Word: Capitalize the first letter of each word.
- tOGGLE Case: Toggle the first letter of each word to lowercase.

Convert lowercase to uppercase: Select the text you want to convert -> go to the Home tab -> click the Change Case icon -> UPPERCASE:

The result of converting lowercase to uppercase:

Similarly, when you want to convert uppercase to lowercase, click on lower case:

To capitalize the first letter of each sentence, click on Sentence case:

To capitalize the first letter of each word, click on Capitalize Each Word:

For converting the first letter of each word to uppercase and the rest to lowercase, select tOGGLE Case. The corresponding results for each feature on Change Case:

Method 2: Converting lowercase to uppercase with Unikey
With Unikey, you can swiftly convert lowercase to uppercase and vice versa.
Step 1: Copy the text content needing conversion to uppercase:

Step 2: Right-click on the Unikey icon at the bottom right of the screen, select Tools, or press Ctrl + Shift + F6:

Step 3: The dialog box appears, you need to make the following selections:
- Character Set section: Keep the character set of the font you are using. Maintain the source character set if you don't want conversion. For example, if the source text is in Times New Roman font -> use the Unicode character set, so both source and destination should be Unicode.
- Under the Options section, check the box next to To Uppercase to convert lowercase to uppercase.
Next, click on Convert:

Step 4: A dialog box indicating successful character set conversion will appear, click OK:

In case you haven't copied the text content for conversion, an error message will appear:

Click OK and repeat the process starting from step 1.
Step 5: After successful conversion, return to your document file, paste the converted text over the original content to see the results:

Similarly, when you want to convert uppercase to lowercase, select lower case:

Above are tips on converting between lowercase, uppercase, and title case in Word. Hopefully, it helps you save time editing your documents. Wishing you success!