Mailbox by Dropbox
Mailbox turned email into a swipeable task list, drew a famous reservation queue and disappeared three years later inside its acquirer's change of focus.
Quick facts
- Existence state
- Officially Gone
- Peak stage
- general availability
- Research confidence
- high
- Last verified
What it was
A formally released mobile email application created by Orchestra and acquired by Dropbox.
Users swiped messages to archive, delete or defer them, treating the inbox as a queue to clear.
Existence timeline
The team redesigns mobile email around gestures and snoozing.
A reservation queue controls enormous early demand.
The cloud company buys Mailbox and its team.
Android and desktop experiments follow iOS.
Dropbox says it will focus on collaboration.
The independent email client stops working.
Why it ended
Dropbox shut Mailbox down on 26 February 2016 to focus on broader collaboration workflows.
Last confirmed trace
Design videos, screenshots, archived support material and later email interfaces preserve its interaction model.
What it left behind
Mailbox popularised snoozing and gesture-heavy inbox management that later became standard in mainstream email clients.
How we classified it
The archive unit reached normal public release or operation and is no longer obtainable in its original public form.
Verified normal public availability maps to 100 under Arrival Score V1.
Sources & verification
Last reviewed 2026-08-01. Sources are linked so readers can inspect the evidence directly.