The Dropbox Android app will automatically preview the following types of files:
For other types of files, the app will automatically search your device for an application that can open the file type you are attempting to view or edit. By default, the Android OS can open the following file formats:
Your device may be able to open more file formats natively, depending on your hardware and OS version. Otherwise, if Dropbox can't find an application capable of viewing your file type, you'll need to install an app that can open your file.
The Android website has more information on Android supported media formats. To learn more about playing media through the Dropbox mobile application, visit our help center article on converting media for your device.
Note: If you see an error when trying to preview a .pdf file, you may have a default app set to open .pdf files. Check in your Android settings to see the default app for opening .pdf files. To ensure that you can preview .pdf files in the Dropbox app, always choose Just once when asked which app to use to preview a .pdf file.
If you'd like to open or edit any of your Dropbox files in a third-party application, you can do so by opening the file with another app.
The Dropbox Android app also allows you to manually export files to your local storage or an SD card, if you have one.
Dropbox will automatically generate a list of apps you can export files to, or you can select Save to device to save the file to your local storage. If you cannot view your SD card after tapping Save to device, tap the menu button in the top-right of the screen and select Settings. Verify that Show advanced devices is checked.
If a document preview isn't working, it is likely because your file is password protected. This is to ensure that files remain private until a password is entered. To open password-protected files from Dropbox:
If you have a file with a supported file type that is still not previewing on your Android device, contact the Dropbox Support team.
All files supported by your phone or tablet will preview in the Dropbox app automatically. The Dropbox app also allows you to open files using other apps that support the file type.
Note: Once you export the file to another app, any changes to the file may not be saved back to your Dropbox, unless the app specifically integrates with Dropbox. Refer to the app's docs or support to find out for sure.
File formats natively supported by Apple can be displayed within the Dropbox app by tapping them.
Note: If you see an error when trying to preview a .pdf file, your device may be trying to open the .pdf file in another app.