I know I can use /away in a team chat. Is there a way to let individuals who are not on my team know I am out of the office without reaching out to everyone individually?
There is nothing out-of-the-box, that you can use for this, but if you are capable of some scripting or have access to people that have: The hubot adapter for Flowdock would give you the option to create a script for this. Have a look at GitHub - flowdock/hubot-flowdock: Flowdock adapter for Hubot chat bot for the adapter
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