The all-new quick book 3 user license provides flexibility to work with this accounting software. At the same time, 5 users can have access to the information. The only condition is that they should have the license and have the same version and edition of QuickBooks installed on their device. This provides flexibility by providing access to the accounts on more than one device. It is not that it makes it unsafe. It is safe as the level of access to the company files are limited that is the level can be set. To get further information kindly call +18772433444.