the data of yokogawa440 MEG system inport MNE

I have a MEG data of of yokogawa440 MEG system,the format of data is .con, But I can not import to MNE?

Hello @yuyu and welcome to the forum!

Please share the code you’ve used to import the data, and the error messages you got (if any), so others can help.

.con files should be supported: