The Web Access tab of the Options dialog lets you configure settings for the Express Invoice Web Interface. The web interface works by having Express Invoice run as a mini web server.

To set up the web interface, you must first make sure the server is online. Bring it online by selecting either of the following checkboxes:

Web Accounts lets you set up users for the Express Invoice Web Interface.

List of user accounts. Clicking the checkbox next to each account controls the Remove and Edit buttons.


Click Add to create a new account for the Express Invoice web interface. For more information on adding a user, see the User Account section of the screen reference section.


Click the Remove button to delete the selected account from Express Invoice web accounts list.


Click the Edit button to edit the settings for the selected account.

To access the web interface from the Express Invoice computer, the easiest way is just to click on one of the hyperlinks shown in the dialog window - both links point to the same URL. Alternatively, type "http://localhost:[port]" into your web browser, where "[port]" is the port number you specified in the dialog. If you want to access the web interface from elsewhere on your LAN, or from the Internet, use the following formatting when typing the URL into your web browser:

You need to make sure your firewall is not blocking the port number you have specified. Refer to your firewall settings to check the correct UDP port is opened.

Speak to your network administrator about any networking problems you have. They can usually fix routing or firewall problems. You can also refer to for more information on networking problems and solutions.