I in tall that apps but cannot open on my Mac the video recorded on .wrf - have any valid converted to convert that files on other format because need to continue my training and cannot spent that format on my Mac bigsur 11.1 

After update my Mac to bigsur the app Webex player no is compatible is possible is a apps developed on 32 bits... please review need to see my formation offline and the format is on wrf... have any other player or solution