The fastest way to free up disk space when using DropBox

Issue: If your Dropbox application is taking up all the free space on your computer with sync'd files, you can manually select files to unsync by right-clicking on them, or you can take the following steps for a faster fix:

1. Click on the Dropbox icon in your top menu bar.
2. Click on your user icon followed by Preferences.
3. Click the Sync tab.
4. Click the Select Folders button.
5. Uncheck all folders -> Update -> Update
6. Open your dropbox folder on the computer and verify all folders/files are gone.
7. Go back to Preferences -> Sync -> Select Folders -> Check all -> Update -> Update