You can't open it directly, but you can export the V9 file in V8 format. Do File > Import/Export and select DX4WIN8 from the list. 73... Randy, W8FN On 10/20/2017 6:33 PM, Bert Garcia N8NN wrote: > Can I open a Ver9 log file with the Ver8 program? That is, can I go back to > Ver8 if I want to without losing QSOs added to my log with Ver9? > > Bert N8NN