If you’re someone who likes to keep in touch with friends on Instagram, then it’s important to know how to delete someone else’s message. Here are a few tips:

  1. Open the app and sign in.
  2. Scroll down and tap on the three lines in the top right corner of the main screen.
  3. Choose “Deleting messages.”
  4. Enter the person’s name and password (if you have them) and hit “delete.”