Set a four-digit passcode on a mobile device

Updated Oct 06, 2026

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The information in this article applies to all Dropbox customers.

You can set up a four-digit passcode to secure access to your account on your Dropbox mobile app on your phone or tablet. Once you set up a passcode, you’ll need to enter it each time you launch or return to the Dropbox app.

Select your device to see instructions for how to set a passcode:

To set a passcode on the Dropbox Android app:

  1. Open the Dropbox app.
  2. Tap person icon (account).
  3. Tap settings (settings) (or Settings in older versions of the app).
  4. Under the Features section, tap Configure passcode.
  5. Tap Turn passcode on.
  6. Enter and confirm your new passcode.


Once you set a passcode, your device will be logged out from Dropbox if there are 10 consecutive failed passcode attempts.


From the Configure passcode settings page, you can change or disable your passcode. You can also enable a setting that will delete any offline files stored on your device if the wrong passcode is entered more than 10 times.

To set a passcode on the Dropbox iPad app:

  1. Open the Dropbox app.
  2. Tap person icon (account).
  3. Tap settings (settings) at the bottom of the sidebar.
  4. Under Passcode lock, tap Turn passcode on.
  5. Enter and confirm your new passcode.


Once you set a passcode, your device will be logged out from Dropbox if there are 10 consecutive failed passcode attempts.


You can change or disable your passcode from the Passcode lock settings.

To set a passcode on the Dropbox iPhone app:

  1. Open the Dropbox app.
  2. Tap person icon (account).
  3. Tap settings (settings) at the top of the screen.
  4. Under Passcode lock, tap Turn passcode on.
  5. Enter and confirm your new passcode.


Once you set a passcode, your device will be logged out from Dropbox if there are 10 consecutive failed passcode attempts.


You can change or disable your passcode from the Passcode lock settings.

To set a passcode on the Dropbox Windows Phone app:

  1. From your root Dropbox on the Files, Photos, or Favorites tab, tap more (more options) from the app bar and select Settings.
  2. Tap Security.
  3. Toggle Passcode lock on.
  4. Enter and confirm your new passcode.


Once you set a passcode, your device will be logged out from Dropbox if there are 10 consecutive failed passcode attempts.


You can change or disable your passcode in the Security settings.

To set a passcode on the Dropbox Windows tablet app:

  1. Swipe in from the right edge of your screen to bring up the Charms bar, and tap on Settings.
  2. Select Security.
  3. Toggle Passcode lock on.
  4. Enter and confirm your new passcode.


Once you set a passcode, your device will be logged out from Dropbox if there are 10 consecutive failed passcode attempts.


You can change or disable your passcode in the Security settings.

What if I forgot my passcode?

You can reset your passcode by uninstalling and reinstalling the Dropbox app on your device. Uninstalling the app will remove any files you've marked to be available for offline access. 


You can also log out of your device remotely from dropbox.com. The next time you open the Dropbox app on your device, you’ll be asked to log in, but a passcode won't be required.

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