You can archive an Organisation if it is no longer to be used. Archiving an organisation will cause all of the user accounts to be suspended and they won't be able to log in.
Note: Only Administrators and Super Administrators with the reporting scope All Organisations will be able to archive and restore Organisations.
Navigate to Organisation and Units via the Menu.
Click on the name of the Organisation.
Click on the Details tab on the left-hand side.
Scroll down the page and click on Archive.
A popup will open - click Yes to confirm that you wish to archive the Organisation.
The Organisation will be now be archived. If you archive an Organisation in error, you can easily restore it.