When you install Dropbox on your computer, it creates a special Dropbox folder. Anything you save to this folder is automatically synced to Dropbox’s servers and to any other computers you have Dropbox installed on.

This can be really handy for keeping your files synced between your computer and your phone, or for sharing files with other people. You can even create shared folders with other people, which allow everyone to add and edit files in the folder.

The Dropbox folder is also great for backing up your files. Dropbox keeps versions of your files for 30 days, so you …