Google Chrome extensions are small programs that can be installed to add or change the browser's functionality. When an extension is created and signed by Google, it ...

New installations of Windows hide all file extensions, except for Windows components, that would appear in Explorer or an application dialog box that displays file names. File extensions are ...

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BearPup sometimes wants to open a file in one program, and other times open it in another. He asked the Answer Line forum for an easy way to do this. Windows uses a file’s extension–the part of the ...

Microsoft is making it easier to change your default file associations by adding a new search feature that lets you quickly find the extension you wish to modify. When a program is installed in ...

Despite everything App Cleaner & Uninstaller does well through its friendly interface and ability to dig deep under macOS’ hood to find files, extensions, and application remnants you don’t need, ...

Back in the pre-Mac OS X and macOS days, Apple’s System 9 and earlier relied on hidden metadata to associate files with apps. File extensions, those bits of text that follow a period at the end of a ...