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.

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.

Gmail's 25MB attachment limit may frustrate large file hoarders, but Dropbox has a solution. Here's how to get the two services to talk to each other.

It lets you upload files and documents that you can easily share with anyone using a link. Here's how you can use Google Drive to bypass the 25MB email attachment file restriction.

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.

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 ...

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.

That's it! Now, whenever you right-click on a file or folder, you can just click Send To > Dropbox and it'll appear in your Dropbox folder.