A file with which of the following file extensions is most likely to contain malicious code?

A file with the extension ".exe" is most likely to contain malicious code. This extension indicates an executable file, which can run programs on your computer. Malicious actors often use executable files to deliver harmful software such as viruses, trojans, or ransomware. It is important to exercise caution when opening files with the ".exe" extension, especially if they are from unknown or untrusted sources.