Editor is the main mode for ABViewer, in which editing CAD drawings is fulfilled. In this mode of ABViewer you can use all the features of the Viewer mode. It is also possible to create new files and then save them into AutoCAD DXF. The instruments characteristic of this mode are situated in the tab Editor of the ribbon.
To switch to the mode Editor in the ribbon press the button 
in the top right corner and choose Editor from the list.
To switch to the mode Editor in the classical ABViewer menu choose Tools > Mode > Editor or select Editor in the drop down list on the toolbar Mode.
Go to ABViewer