There are cases when the filename doesn’t have the right extension as it was intentionally changed either to confuse someone or of security reasons. Whenever this happens, the file can not be accessed by the application it was created with. An example is when a Microsoft Word file extension is being changed from .doc to [...]

Popularity: 10% [?]

Each file has an extension usually formed from three characters after the name of the file and a period (ex. filename.txt). Usually the operating system on a computer hides the extensions of the files for security reasons but it can be set to be viewable in case someone wants to see the extensions of the [...]

Popularity: 8% [?]