Gmail offered 1 GB of storage when it launched in 2004. Google announced the service on April 1, 2004, initially as a limited beta, and its unusually large mailbox became one of its defining features. At a time when competing webmail services commonly offered only a few megabytes, a gigabyte seemed almost implausibly generous.
The storage capacity was part of Gmail’s broader design philosophy. Google paired abundant space with fast full-text search, allowing users to keep messages instead of constantly deleting them to stay under a small quota. Gmail also grouped related messages into conversation threads, a presentation that differed from many older inbox interfaces.
The launch date created a famous misunderstanding: because April 1 was April Fools’ Day and Google was known for elaborate jokes, many people assumed Gmail was a prank. It was real, though public access began as an invitation-based beta rather than an unrestricted rollout. Another common mix-up is the later storage history: Gmail’s quota increased over time, and Google eventually tied Gmail storage to broader Google account storage, but its launch offer was 1 GB.