Many staffs have found Slack to be a great communication tool to keep things organized and everyone on the same page. You can share files, add attachments, create groups and send direct messages. It’s really a great tool to check out if you and your staff haven’t.
If you are on Slack, Lifehacker recently posted “9 Slack Customizations You Should Try to Make Work Easier (or More Fun)” which you should definitely check out. It has some basic tips like using your full name and recognizable photo for your profile, but it also shows you some beyond basic tips like creating custom emoji which can make the space a lot of fun for your team.