|Message Location||Within Canvas course||Within Canvas|
|Notifications||Notify immediately||Notify immediately|
|Can the whole class see the message?||Yes, possible.||Yes, possible.|
|Can be deleted?||Yes (can't retract notification)||No, only from your view|
|Rich Content Editor||Yes||No|
|Can students respond?||Yes/No - instructor can restrict students from responding||Yes|
|Multiple Attachments||No, but can embed multiple downloadable files||Yes|
|Draft mode||Yes - delay posting (can edit up until the post date and time)||No|
To create an announcement, follow the steps in Canvas's How do I make an Announcement in a course?
To send a message to your students, see How do I send a message in Conversations?