Dropbox is one of the best and reliable cloud storage. Cloud storage means you can save your data photos, videos online folder and after that, you can brows the folder from any place.
Dropbox is useful whether you use it for backup, as a cloud flash drive, or for setting up shared folders with others.
Dropbox app provides 2 GB free online storage and can extend it by completing some tasks and referring to friends and others.
Dropbox is a cloud app, and you can install it on multiple devices and different platforms, and you can use the same files anywhere. There are some alternatives to Dropbox, like Google Drive, One Drive.
Here is the link to Download Dropbox.