Currently, there seems to be a lot of 'dead' space in the new UI. While I like the more modern look, it should be possible to makt certain UI elements a bit more compact, much like is possible on Outlook for Windows...

Literally can't even use the new Outlook now since we rely on this

Support for contact lists from Outlook.com on the web.

I know contact groups (...@groups.outlook.com) are supported, but support for contact LISTS is also needed.

Skype integration into the meeting creation tab was one-click and easy to do.

I would love to be able to arrange my email accounts, like have them in the order I want instead of the automatic ordering from AtoZ.

My auto archive scrip are failing or doing nothing when in new outlook mode.

I keep a pretty clean inbox, and while I like the overall design of thew new Outlook's Inbox area a lot of screen space is wasted to these "This week", "Last week", etc" identifiers that are just not needed.

Please let me turn them off, like you could in old Outlook (via unchecking "Show in Groups" setting).

Just like on outlook.com it would be nice to be able to pin messages at the top of folders and sync whatever message you pin in outlook.com to also pin it on the app.

Allow Embedded Outlook Messages (.msg files) to be opened in Outlook for Mac. Colleagues regularly forward embedded emails that I can't open

Outlook for Web condenses the conversation nicely; expanding only the most recent message and giving a preview of the others. You can then expand each previous message separately if you need more context.

I LOVE the Outlook web app and want it as a native macOS app.

The ability to customise or use other keyboard shortcut schemes (e.g. Gmail) on the web app makes it 2x faster to process email. Please bring it to the desktop app!

The checkmark is important. It gives me some small joy and semblance of accomplishment. Without the checkmark my inbox is just a continuously growing list of questions, tasks and requests that will never appear to be completed. It will just continue to grow and grow and grow. It's the thing of nightmares and panic attacks. Please, let me have my little checkmark.

When opening an email that the user has replied to; I'd like the option to click "show your reply" to go to what i sent to the sender of the email.

The font size is too large proportionally to all other fonts in the UI.

Adjusting the existing font size setting applies globally and does not address the proportion issue, making the other UI fonts (which are great at the default size) too small.

Coupled with the inability to hide message preview text, the current size notably limits the # of items that can be viewed.

Thanks for your consideration.

When I'm searching sent mail, I NEVER need to search on the From: message, and am ALWAYS looking for a message I sent to someone. I'm sure there are exceptions to that for some people and accounts, but in general, that would be the intelligent field to be searching for when in the Sent folder.

I like having the left sidebar collapsed as it reduces wasted screen real estate. However, I occasionally need to access other folders like Sent, Archived, etc which means I have to collapse and expand this sidebar every time to see those items. It would be great to have another method of switching folders while keeping this sidebar collapsed.

Note: this should also apply to calendars, people, notes, and tasks.

Add support to end appointments & meetings early (25m / 50m) so you have time to prepare for the next meeting. Already supported by Outlook for Windows: https://support.office.com/en-us/article/schedule-a-meeting-with-other-people-5c9877bc-ab91-4a7c-99fb-b0b68d7ea94f

We know that the unified inbox is coming back but it's really important that we can set it as the default view when Outlook in launching.

This feature is really simple but very important. It was missing from the last Outlook on Mac.

Please. Add it.

When the notification window is displayed for new incoming email, please include buttons to quickly archive, delete, or flag the new incoming email without having to go to the main outlook window. It would be nice to be able to quickly delete incoming email if we don't want to read it, right from the notification display.