You can archive a Brightspace Course by exporting it as a Brightspace Package. 

1. Sign into Brightspace and click into the course you want to archive/export
2. In the Navbar, select Course Admin  (or select More then click Course Admin)
   
3. Select Import / Export / Copy Components
4. Select Export as Brightspace Package
5. Select Start
6. Check the boxes for the components you want to export
   1. To export only some components
      1. Check the boxes next to the components you want to export content from
      2. Within each component, check the boxes next to the items that you want to export (to export all items within a component, select Export all items; to export only some, select Select individual items to export)
         Tip: If you exporting a course in order to import it to another course, know that some components do not import well, so consider not including them in your export
   2. To export all components (the entire course), check ☑︎Select All Components 
7. Select Continue
8. If you chose to select individual items to export (in 6.a.ii), you'll next be prompted to select which specific items to export
   1. On the pages to select which items to export, click Expand All to view all nested items
   2. Check the boxes next to the items you want to export and click Continue
9. In the Confirm Components to Export page, make sure everything you want is included
   1. Click Modify next to a section to change which items are included
10. Click Export
11. This message will display: "Your export has been started. You will receive a notification in the Update Alerts when it has completed.”
    Select Done.
12. When the export is complete, you'll see a notification (through the notification bell) near the top-right corner. Select Export finished in that notification
    
13. In the Export Summary that displays, click Click here to download the export Zip package to download it; then click Done