Attach files in replies

One of our most requested features has been shipped!

You can now easily attach PDF and other files up to 10 MB to your replies in Unibox. 🚀

Whether you're sharing product info, lead magnets, or detailed proposals, sending important documents got a whole lot simpler.

Try it out today → Go to Unibox, hit “Reply” and you will see the option to attach a file next to the “Send” button.