You can disable a user account temporarily by deactivating it. For example, you can deactivate a temporary employee's account if you expect her to be rehired. Users whose data has been included in reports cannot be deleted but can be deactivated.
To deactivate a user account:
1. On the Setup group Accounts tab, locate and select the user account you want to deactivate.
2. Click Deactivate. A message indicates that the account is now deactivated. The icon next to the account in alphabetical list changes to show the user's deactivated status.
To activate a user account:
1. On the Setup group Accounts tab, locate and select the user account you want to reactivate.
2. Click Activate. A message indicates that the account is now deactivated. The icon next to the account in alphabetical list changes to show that the user account is now active.