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.

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

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.

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.

Any files or folders you download from OneDrive will be available in your computer's Downloads folder or whatever location your web browser stores downloaded files.