This is official Amazon Web Services (AWS) documentation for Amazon Simple Storage Service (Amazon S3). Amazon S3 provides virtually limitless storage on the internet. It makes it easy to collect, store, and analyze data—regardless of format—at massive scale. Amazon S3 provides object storage, which allows you to store and retrieve any amount of data from anywhere. This guide explains Amazon S3 concepts, such as buckets, objects, and related configurations, and includes code examples for common operations. It is offered for free as a Kindle book. If you prefer, you can read it online or in PDF format at https://aws.amazon.com/documentation/s3/.