Which of the following is not an antivirus software?

 Among all the options provided option(C) (Microsoft Word) is the correct answer to your doubt. Option A) Norton is a useful antivirus software that is well-known for security features including real-time threat warning and secure browsing. Option B) McAffe is another key software that is used in preventing computer viruses like malware and online cyber-attacks. 

It also provides real-time threat detection and firewall protection. Many important companies also use McAffe to safeguard their stored data in the computer system. Option D) Avast is also a widely used antivirus software for computers. 

It provides protection against viruses such as malware and other such security threats that can cause data and security loss. The all above three options have the options of free and premium versions. The premium version may have a better security provision system.

 Hence the MS Word option is not the antivirus software. It is the application software that is mainly used for text-related work. It is owned mainly by the Microsoft company. It is a component of Microsoft Office along with Excel and MS PowerPoint.

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