Whether you're searching your entire computer for a file or want to run a highly refined search, use these Windows and macOS tools to get the job done.

Messing around with certain macOS files could brick your Mac computer, so Apple has made them hard to find. But if you're ...

Whenever you double-click on a file, it’s downloaded to your computer and opened. To change how this works, click the Google Drive icon on the taskbar (Windows) or menu bar (macOS), then click ...

Is Windows acting a bit paranoid over some safe files? Here's how to disable the "These files might be harmful to your computer" warning.

There are ways to re-set or establish associations between file and program in Windows 10.

You can sync specific files and folders to OneDrive on your computer under "Preferences" in OneDrive's "Help & Settings" menu.

Dear Lifehacker, I want to be able to right-click a file in Windows explorer, hit Send to Gmail, and automatically attach the file to a new email.

But if you prefer to keep local copies of your Office files, or if you use alternative cloud storage services such as Google Drive, you should force Office to save files to your computer.