This article provides a detailed guide on configuring the Auto Correct feature in Word.
Step 1: Go to the File -> Option:

Step 2: In the appearing dialog, choose Proofing -> under the AutoCorrect options section, click AutoCorrect options:

Step 3:
- Under Replace: Enter the abbreviation you want to replace.
- Under With: Enter the content for the replacement phrase.
Finally, click Add:

Step 4: After selecting Add, the saved phrase in the dialog -> click OK:

Step 5: Return to the text, type the abbreviation tpHCM -> press Enter or space -> the phrase automatically changes to Ho Chi Minh City:

- If you want to remove an abbreviation, select that term -> press Delete:

- However, AutoCorrect has a limitation. When you want to write the entire abbreviation without using the replacement phrase, you can only delete that phrase in AutoCorrect. Therefore, you should use the AutoText feature to address both issues.
Here is a detailed guide on how to set up the Auto Correct feature in Word.
Wishing you all success!