Every file that we have saved on our computers has a particular extension. The file extension is added at the end of the filename followed by a dot (.). It tells the operating systems about the ...

One of the easiest ways to render your computer unusable is to mess with the operating system’s files and settings–one accidental deletion of a single file can ...

On computers and mobile devices, file extensions are the suffixes that apps append to filenames. When you see an item like "document.docx" for example, the .docx extension tells the computer and the ...

With the release of Safari 5, Apple introduced a much-requested feature — extensions. Extensions are a better way to add those little missing features than the old and complex plug-in approach.

Spotlight extensions enhance third-party app searches, letting you look up more app-specific content. Here's how to enable or disable the extensions in macOS. Spotlight is Apple's search indexing ...