If you are using Microsoft365
Go to https://myapplications.microsoft.com
Click on the Sortd icon and then Revoke Permissions.
For more information see https://support.microsoft.com/en-us/account-billing/edit-or-revoke-application-permissions-in-the-my-apps-portal-169be2b4-ee26-4338-aea8-d19bb2f329ee
If you are using Google Workspace
Go to http://myaccount.google.com/connections
Click on the Sortd icon, then scroll to the bottom of the page and click "Delete all connections you have with Sortd", then Confirm.