Dropbox allows you to create an album to backup photos, videos and file. If you have created galleries from your 'Photos folder' in the past but links to old galleries no longer work, then you can easily replace them with albums. To replace photo galleries with album, sign in to your Dropbox website and find the folder you used to create a gallery. Right-click on the folder and select 'Create album' option. Your new album will appear instantly on your 'Photos' page with the same name as a folder. You can also share your folder by click the 'Share album' button located at the top of the page.