Any photos and videos you upload, regardless of photos, will be accessible to Google Photos later. If it’s a simple case of syncing what was in Dropbox, just check your existing Dropbox folder.

The Dropbox for Gmail extension doesn't interfere with your ability to add attachments from outside of your Dropbox folder. For that, you need to use the standard Gmail attachment button.

Dropbox Dropbox can also be accessed through any web browser, its desktop app, or the Dropbox mobile app. You can upload files of any size with Dropbox, and you can drag and drop files or folders ...

Unfortunately it doesn't let you upload the files directly to the email message and instead adds a web link to the Dropbox file in question.

Below, we'll detail how to set up a Dropbox clone, complete with instantaneous, encrypted syncs, cloud backups, and file versioning, using cross-platform software GoodSync.

Dropbox has painted a giant target on its back by offering one simple, additional feature to its file-storage service: a link-generating button to enable public file-sharing.