If you can't open a file on your computer, don't give up right away. These tricks will give you a fighting chance of accessing or recovering its contents.

Copilot on Windows can now retrieve files from your PC’s hard drive. I've tested the AI-driven search feature and show you how to benefit.

Files and links that you receive could be infected with viruses. If you are ever unsure whether a file is harmless or whether a link leads to a safe website, check it in an online sandbox.

PC malware hides out in the open, but you can see through its tricks.

If all your files and folders on Windows 11/10 are set to Read-only or keep reverting to read-only, and you cannot edit or make changes, use these fixes.

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

When you open a RAR file on your Mac, it will turn into a folder where you can access all of the decompressed files. Visit Business Insider's homepage for more stories.