There are two ways creating mobile users: Manual creation and Bulk upload. You should use bulk upload tool if:
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Once you are done with these two sheets, upload it and click 'Create Mobile Workers'. After you see the line "Your bulk user upload is completed!", go back to Mobile Worker page and check if they are associated with facilities you assigned them.
Displaying all the facilities that that person is linked to is a future feature, but is not currently implemented. Right now CommCare Supply can display the association with one of the many facilities that the mobile worker is associated with. In matt's case, Go to CommCare Supply and you would see the Supply Point he is associated with clinic 6.
On the Mobile Workers page, selecting that worker's user name will bring you to Edit Mobile Workers. The Locations tab on this screen will show you what Locations (or Supply Points) are assigned to this user. Here, you can also see that user's primary location and any Program they're associated with.