Exporting/Downloading Canvas Quizzes
To export Canvas quizzes, follow the steps below:
Go to Course Settings.
Select Export Course Content.
Select Quiz in Export Type.
Check All Quizzes.
Select Create Export.
In a few minutes, under “Content Exports,” you should see “QTI Export” and select Click here to download.
The file you download will be in a “QTI” file type, and when you download and unzip it, the files can be found in XML format.
These steps are based on Canvas' How do I export quiz content from a course? article.