Create email subfolders in Office 365 Groups
We currently use (mail enabled) Public Folders together with distribution lists to stora all project communication and notify all members.
The new Office 365 Groups would offer similar functionality, however we are missing ability to create subfolders in Group mailbox to organise the mailbox.
For example:
Group "Project X" displays in Outlook as:
Groups
>Project X
Which we would like to organise as following:
Groups
> Project X
>>Client
>>Subvendors
>>Internal
This would also require ability to drag and drop emails inside Group mailbox.

17 comments
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Derrick commented
We need this feature to be able to move off of Public Folders. Our company has an extensive set of PF with subfolders. The organization is key to being able to quickly find content. Even if the subfolders were directly keyed to the Channels, that would be a huge improvement over the current one bucket approach currently offered.
The lack of this functionality is a major drawback of the Teams-Groups email system. Microsoft, please get this issue addressed soon, as Site Mailboxes and eventually PF will be decomissioned.
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Tad Amore commented
Yes please, not sure how this is not a thing!
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John Choi commented
Yes please
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Graham Spratt commented
How is this still not available?
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Anonymous commented
I am creating forms from Share Points where responses come into the group mailbox as well as queries. On the principal that the Microsoft Suite is fully integrated with the other tools I am amazed that the basic principles for a mailbox is not applicable and astounded that its not a consideration.
Seriously why would you build a Post Office without a sorting facility? My team can collaborate and spend the majority of their time scrolling to find certain types of mail, or constantly checking in case they miss mails?
We don't have an option to setup a shared mailbox from the Share Point and no option to change the group mailbox to a shared mailbox.
Whats the purpose of a group mailbox?
Please add an organizing feature.
Thank you in advance -
Anonymous commented
This is a huge lack of functionality
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[Deleted User] commented
Please can this be added soon? very surprised you can't do this!
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Anonymous commented
Either this or some feature to move the messages in sharepoint and organize them there. The ability to send as the group would do as well. It's a tough sell on groups when there has to be a departmental shared mailbox as well.
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Ian M. commented
This! Add the ability to create ** rules and filters ** along with sub- folders, and the groups concept in addition with Teams is going to start becoming a powerhouse feature. My IT Department is spread across 3 sites each with their own SMEs and Leadership - I think the Groups feature is inches away from helping us get to the level of collaboration we need. This could help us: escalate automated alerts (rules...), produce quick responses to support requests, collaborate on projects, delegate tasks centrally, direct stakeholders and customers to a single email address, connect our SharePoint resources, etc, etc. Love where this is going.
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Can't move off of shared mailbox without ability to create and access subfolders. Please add this functionality to Group mailboxes!
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Stephen Smith commented
I would also like this feature
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Anonymous commented
This would be a huge help for us in regards to not only moving off public folders, but PST files as well.
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Anonymous commented
Please give the ability to create sub-folders in a shared group.
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Eddy commented
We want to move off of public folders, but at this point cannot find a comparable alternative. We do scheduling and calendaring for a 45-person unit, and currently use public folders (1 calendar per employee) vs. regular personal (shared) calendars, specifically because of the ability to control permissions on the public calendars. We make the public calendars editable only by the schedulers to ensure that assignments are not inadvertently moved or deleted. When the bug happened two weeks ago (EX143410) that prevented public calendars from being viewable in Outlook on-line, it was a major head-ache and whether a fix would occur was unclear. Microsoft: we want to get off of public folders but need comparable functionality. I'm not sure if what's recommended in this thread is exactly what we need, but it seems to be similar.
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jdbreazeale commented
This technology should work like Teams Channels - a sub-folder is a channel. That's how it works in SharePoint and OneDrive.
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Anthony Newman commented
Drag and drop messages into Office 365 Groups on Outlook desktop application on PC.
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Anonymous commented
This is a major issue in trying to migrate out of public folders. Office365 Groups is well positioned, but without this, it quickly becomes a losing battle.