There are hundreds of file extensions in existence today. Each application adds a specific file extension of its own for systems to recognize. For commonly used operating systems like Windows, Mac, and UNIX file extensions are required. But there are also other operating systems including RISC OS that do not require file extensions on their file system. This is the reason why we often encounter issues when opening files bearing unknown extensions.
A file extension dictates what a file can contain. Applications use their own suffixes to add to a filename. Opening files with unknown file extension is putting too much risk on your system and the information it contains. But there are just times when files are too important that we need to have it opened. There are few things we can do by ourselves in finding workarounds on certain files before calling for professional help. Here are few:
Run a virus scan on the file you are about to open. This should be the very basic thing you do when opting to open file with extensions unfamiliar to you. Malicious applications masquerade there true content by changing file extensions to other forms to look harmless. Having files with unknown file extension should already be a hint that a certain file may contain undesirable codes that can harm a system. Running a virus scan prevents the execution of the codes thereby stopping any attempt to harm your system.
Continue reading: second part of the "How to Open File Extensions That You Don't Know?" article