To create a zip file of your course or course components, do the following:
Select Edit Course from the navigation bar.
Select Import/Export/Copy Components
Select Export as Brightspace Package
Click Start
Click the checkbox next to "Select All Components" OR some components of the course
Click Continue
The next page will allow you to confirm or modify the selection.
Check the box next to "Include Course Files in the Export Package"
Click Export
The export process may take a while if you have lots of things to export.
Once the export is finished, you will see a dot on the notification bell
Click on the notification bell,
You will see "Export finished"
Click on this notification
You will see "The course export was successful.
Click the blue link, "Click here to download the export Zip package"
The zipped file will save to your Downloads folder
Export Grades
The Export tool includes only course files; it does not include student data, such as student grades and their assignment submissions. To archive student grades, do the following.
Select Grades under the Assessments menu on the course navigation bar. Select Enter Grades and then select Export.
By default, all users and all grade items are selected, though you can change the selections.
Select either Export to CSV or Export to Excel
The next page will give you a link to download and save the export file.