Group admins can edit activity-independent sign-in/out data. To edit, open Sign in/Sign Out List on your mobile app or web app:
You will see the menu with two choices: Roster Members and Staff Members. Choose whose data you want to edit. Then choose the group you want to edit.
You can then edit sign-in/out data for any date, any member. You can also leaves notes for each entry (blue document tool). You can also enter multiple sign-in/out entries for a single date (use the tool with three horizontal lines)
To view or export data go to Reports on the web app.