This guide is based on the latest version of File Explorer in Windows 11 version 23H2 and newer. Older versions may look different, but the core functionality is similar.

With ChatGPT-4, the latest version of ChatGPT, you can now upload any file from your device into the chatbot. Read on to understand who can upload files, why you'd want to and how to upload files.

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.