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.