The Binary files have the extension *.BIN, the Channel Format files have the extension *.C00 / *.C01 / *.C02 / ... The according trigger files are named *.T00 / *.T01 / *.T02 / ... The files written with the module Export to Excel use the extension *.XLS. Attention, these are no Excel format files but text files. Please import these files to Excel. XLS was used to automatically open Excel when clicking to one of these files. Please never use Digital Trigger as a channel name.