Visual Studio
Comment out the selection
Press Ctrl + K, then Ctrl + C to comment out the selection in Visual Studio. It is listed for Windows, and no Mac version is documented here.
Where it works: Text editor
These are the defaults for Visual Studio's General settings profile. Other profiles change them.
Where this comes from
Keyboard shortcuts in Visual Studio - Microsoft Learn
Documentation checked on 2026-09-14. That is a documentation review, not a test run inside the application.