MS has started to integrate the touch bar into the Office suite- which is awesome. I’ve seen some improvements to my workflow. However, the last update has added a “send” button to Outlook. In the last two days, I have accidently sent several messages while still composing. MS needs to allow configuration of the touch bar, or move/remove the send button ASAP.

Support for internet calendar feeds. The main use case is the ability to see conference schedules in Outlook. For example, I attended WPC and Ignite this year and had to keep switching back and forth between Outlook and the conference website/apps to determine my true schedule.

Please can we have a To Do bar in the mail view of Outlook for Mac 2016, pretty useful for Business users

The windows client lets you select email threads and ignore all future responses to it. There's no reason mac users shouldn't have this option. I would love to ignore all threads involving my coworkers cats or memes on my mac client, but I can't. I'm forced to live with their cats and cat meme threads.

Show sent messages in conversations.

For over half a year at least this native Exchange feature hasn't worked in Office 365 on Outlook 2011 and 2016.

Need ability to add, edit and format tables like in Word and Outlook for Windows

Like in Windows version

Please make viewing distribution groups members possible from the address book for Mac users. Please also make viewing what distribution groups a person is a part of possible.

Can you add travel time to and from an appointment time so that it blocks that out as well as the actually appointment?

Give the ability to export a .pst mail archive from Outlook for Mac. Helps with archiving old users on our O365 network

MailTips: https://technet.microsoft.com/en-us/library/jj649091%28v=exchg.150%29.aspx
Policy Tips: https://technet.microsoft.com/en-ca/library/jj150512%28v=exchg.150%29.aspx

Export multiple contacts to a single vCard so it can be imported into Gmail or iCloud. In other words upgrade vCard to be standards compliant.

Outlook for Mac has been hobbled for some time by not providing proper quoting for plaintext (internet-standard > prefixing) and by having HTML quoting styles that don't support in-line replies. Windows Outlook supports both, PLEASE fix!

Enable voting functionality for feature parity with Outlook Windows.

It's called "Warn me when I send a message that may be missing an attachment" and enabled for literally all Outlook versions. See https://support.office.com/en-US/article/Mail-settings-30C69A79-EFC6-42D2-B740-4BF1C1F8A01C

Please add support for Office365 groups to Outlook 2016 for Mac desktop client. This functionality has existed in Windows since Outlook 2013 and the Office 365 Groups app has been available for iOS for a while now.
please add this to Outlook for Mac!