iam not able open catia files from file explorer

[malick4u]

hi all ,
Please help me i am not able to open catia files directly by double clicking

Please look the attachment

what ot do now?
How to open it ?
how can i find catia in the list of "Choose default program to open "

 

[itsmyjob]

check the online doc (or the web) about /regserver

Eric N.
indocti discant et ament meminisse periti ​