Hi @Bill_C ...
You should be able to select a range of messages in your Canvas Inbox so you can delete them all at the same time. I'm on a Windows 11 laptop, and I did the following:
- Click on the first message on the left side of my Canvas Inbox so it is highlighted in light blue.
- Scroll down the list of messages to find the last message I want to delete.
- Hold down the Shift key on my keyboard, and click on that message on the left. You should see a check-mark icon next to each message, and each message should be highlighted in light blue.
- Click the "Delete" (trash can) icon at the upper right corner of the screen.
Check out the section on "Select Multiple Conversations" in this Guide:
How do I delete a conversation in the Inbox? - Instructure Community - 616672 (canvaslms.com)
I hope this helps a bit.