OneDrive is a cloud storage service that allows users to back up and store important files and photos without manual effort, as it comes pre-installed on Windows 10 devices. To create an account, simply visit the official OneDrive website, select the "Sign up for free" option, and follow the prompts to verify your email address. After signing in, users can choose which folders to sync with their account, providing flexibility in terms of storage organization. Additionally, OneDrive offers integration capabilities through Zapier, enabling automation of tasks such as saving email attachments or social media posts to the cloud storage service.