You will need the Staff Custom Report to obtain a list of staff contact details. Go to Reporting > Reports > Staff (tab) > Custom Report
This Report automatically creates a table including all staff names, emails, home phone and mobile numbers, plus addresses. You can delete any column you don't require by clicking on the dustbin icon above the column header. This report can be tailored by selecting any additional informatoin you require from the filter above the table.
The report can be downloaded at the top right of the screen.