If you want your deleted files to be really, completely, totally gone, emptying the trash isn't enough. Chris Breen provides other options.

The contents of your PC’s Recycle Bin or Mac’s Trash Can are only cleared out when you empty them. Kim Komando offers tips to permanently delete data.

How to delete files from Dropbox using your desktop If you're syncing Dropbox with your Mac or PC, deleting a Dropbox file is no different than deleting any other kind of file.