One way to access your company files on different computers is to set up and install a multi-user network. You can follow the steps below to set up the network
• Step 1: Install QuickBooks Desktop on the server computer.
• Step 2: Open ‘Properties’ and set up the folder permissions.
• Step 3: See if QuickBooks Database Server Manager is installed.
• Step 4: Make sure the user account has the Windows admin rights.
• Step 5: Scan the company files using Database Server Manager.
• Step 6: Turn on Multi-user Access on the server computer.
If you need help setting up the multi-user network you can call the quickbooks technical support phone number and speak to a qualified software expert.

For more info click here: quickbooks phone number