If you’re looking to delete messages on Offerup, there are a few different ways to go about it. The first option is to open the message you want to delete and tap on the three lines in the top-left corner. From here, you can select “Delete” from the menu that pops up. If you’re using an iPhone or iPad, you can also swipe left from the main screen and then tap on “Messages.” From here, you can select “Delete” from the menu that pops up. Finally, if you’re using a desktop or laptop computer, you can open your message thread by clicking on its title and then selecting “Delete Message.” ..