If by collaborating on files you mean inline comments inside of a document, it has already been available to Confluence Server (on-premise) users since version 5.7 (the linked documentation is for Server and not for Cloud).
Atlassian Summit is an excellent opportunity for in-person support, training, and networking.Learn more
Thanks to everyone who came out today for the lunch AUG - we had some great food and discussion (and ice cream sandwiches to fend off the heat!) The welcome and fun fact was great as well, what an aw...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs