dell u2421e and mac problem

[dory1705]

How to overcome the problem of connecting 2 monitors to Mac with one screen dell2421e and one screen p2421
The computer only gives a mirror option
Is there any software that can use Mac and with u2421e screen
Then it will show me 3 screens

 

[nothingtoseehere]

which Mac? Intel or M1? Which year, type?

 

[dory1705]

MacBook Pro 16” i9

which Mac? Intel or M1? Which year, type?

 

[nothingtoseehere]

Sorry for posting this rather basic information bit but maybe this site can help?
https://support.apple.com/en-us/HT202351