EasyBilling stores documents, reports and settings of your company in a single folder, called workspace. You can create different workspaces for different companies.
In the main screen, click menu "File > Switch Workspace".
The first workspace in EasyBilling is named as "Default". You can click the [+] button to create a new workspace.
To switch to another workspace, you can highlight the workspace and click the "Switch Workspace" button to swtich to the selected workspace.