You will want to keep an archive of your gradebooks that includes all courses taught for the last five years.
Want to access course sites from FoxTALE?
If you taught courses in FoxTALE from 2017 to 2021, go to the FoxTALE Archives to download your gradebooks.
See the guide, FoxTALE Downloading the Gradebook, for the steps to export a FoxTALE gradebook.