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 ...

You know those times when you want to upload a new photo to, say, Facebook or Pinterest? The typical browser-based upload tool forces you to click through countless ...

Once you've opened up the no-install-required application, just browse down until you find the file extension you want to hide, double-click on it, and then check the box for "Don't add this file type ...

Reader Greg Geitzenauer is getting the tiniest bit tired of selecting individual files in order to hide their extensions. Here’s his story: To show the file extension for a particular file’s name, one ...

Mac: Spotlight is a fantastic, quick way to search for files, but sometimes you might want to hide files from Spotlight search. OS X Daily shows off a simple way to hide files from Spotlight by just ...

1How to view file name extensions for all files on a Mac 2How to view file name extensions for a individual file on a Mac The default setting for Mac OS is to not display a file's extension. For those ...