My .MOV file does not open after effects rendering

[#1]

My file endered into a .mov file but MacBook says 'This files is not compatible with quicktime player' 
MacBookPro '16 2016 MacOS Catalina

[#2]

My file endered into a .mov file but MacBook says 'This files is not compatible with quicktime player' 
MacBookPro '16 2016 MacOS Catalina

[#3]

I believe you'll need to provide more information about your render settings in order for someone to help.  Most importly the codec, i think.