28 Jun
                
                    2018
                
            
            
                28 Jun
                
                '18
                
            
            
            
        
    
                11:24 p.m.
            
        Hi Maren,
Whether guides are visible or not is a document setting in Inkscape, there's no global default for it.
Thank you for your answer. I did not realize that it was a document setting. I see now that Inkscape "remembers" my choice when I save a file.
Thanks, Pierre