The Save 
button on a resource's timesheet is hidden by
default. If you want to allow users in your organization to save their
timesheet before submitting their timesheet, you have to enable the Save
button.
To allow users to save their timesheet
- From the top-level navigation, open the Admin module.
- Select Customization.
- Select the Timesheet Settings tab.
- Select the Approval Policy tab.
- Check Allow users to save timesheet data before submitting.
-
Click Save .